Find the 4th proportional to 4, 16 and 7.

  1. 28
  2. 29
  3. 22
  4. 25
vijay Professor Asked on 2nd August 2015 in Maths.
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1 Answer(s)

Answer: (1) 28
Explanation:-
4, 16 and 7
Let the fourth proportion be X
Then,
4/16 = 7/X
1/4 = 7/X
X = 7 x 4
X = 28
Hence, the fourth proportion is 28.

Anurag Mishra Professor Answered on 2nd August 2015.
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