Find the fourth proportional to 42,12,7
Answers
Answered by
3
Step-by-step explanation:
Let the fourth proportion be x.
According to the question
=> 42:12 :: 7:x
=>Product of extremes=Product ofmeans
=>42× x=12×7
=>42x=84
=>x=84/42
=>x=2.
Therefore, the fourth proportional to 42,12,7 is 2.
Pls mark me as brainliest...!!!!
Similar questions