Home / 5,177.16-7,140.24-3,760.92

Finding the Fourth Proportional to 5,177.16, 7,140.24 and 3,760.92

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Solution

The fourth proportional to 5,177.16, 7,140.24 and 3,760.92 is: 5,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.16 : 7,140.24 = 3,760.92 : x
  2. Step 2: Convert to fraction form
    5,177.16/7,140.24 = 3,760.92/x
  3. Step 3: Cross multiply
    5,177.16x = 7,140.24 × 3,760.92
  4. Step 4: Simplify right side
    5,177.16x = 26,853,871.42
  5. Step 5: Solve for x
    x = 26,853,871.42/5,177.16
  6. Step 6: Final answer
    x = 5,186.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.