Games
Problems
Go Pro!

Harmonic and Arithemetic

Pro Problems > Math > Statisics and Probabilities > Means > Harmonic
 

Harmonic and Arithemetic

The harmonic mean of a set of numbers is the reciprocal of the average of the reciprocals of the numbers.

The average of 2, 4, and x is 2.4 more than the harmonic mean of those numbers.

Find the value of x.

Presentation mode
Problem by BogusBoy

Solution

In order to make it feasible for teachers to use these problems in their classwork, no solutions are publicly visible, so students cannot simply look up the answers. If you would like to view the solutions to these problems, you must have a Virtual Classroom subscription.
Assign this problem
Click here to assign this problem to your students.

Similar Problems

Harmonic mean of Three Numbers

The harmonic mean of 2, 5, and x is 3.75.

Find the value of x.

Cubic Harmonic Mean

Find the harmonic mean of the roots of the following cubic equation:

6a3 + 41a2 +45a - 50 = 0

Blogs on This Site

Reviews and book lists - books we love!
The site administrator fields questions from visitors.
Like us on Facebook to get updates about new resources
Home
Pro Membership
About
Privacy