Math, asked by sanju8824, 6 months ago

The first third and fourth terms of a proportion are 15,40 and 120 respectively. find the second term​

Answers

Answered by mathdude500
1

Answer:

Let  \: second \:  term  \: be  \: x \\ </p><p>so \:  15, x, 40, 120  \: are \:  in \:  proportion  \\ </p><p>that \:  is  \: 15 : x :: 40 : 120 \\  \frac{15}{x} </p><p> =  \frac{40}{120}  \\  \frac{15}{x}  =  \frac{1}{3} </p><p> \\ x = 45

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