SOLUTION: what is an equation that can solve the proportion 4/x=3/10?

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Question 469872: what is an equation that can solve the proportion 4/x=3/10?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

4%2Fx=3%2F10 |Cross Multiplying to solve

  3x = 40

   x = 40/3 OR 13 1/3