Home / 3,988.28-5,502.25-2,475.14

Finding the Fourth Proportional to 3,988.28, 5,502.25 and 2,475.14

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Solution

The fourth proportional to 3,988.28, 5,502.25 and 2,475.14 is: 3,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.28 : 5,502.25 = 2,475.14 : x
  2. Step 2: Convert to fraction form
    3,988.28/5,502.25 = 2,475.14/x
  3. Step 3: Cross multiply
    3,988.28x = 5,502.25 × 2,475.14
  4. Step 4: Simplify right side
    3,988.28x = 13,618,805.37
  5. Step 5: Solve for x
    x = 13,618,805.37/3,988.28
  6. Step 6: Final answer
    x = 3,414.70

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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.