Home / 3,740.52-5,151.38-3,008.28

Finding the Fourth Proportional to 3,740.52, 5,151.38 and 3,008.28

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Solution

The fourth proportional to 3,740.52, 5,151.38 and 3,008.28 is: 4,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.52 : 5,151.38 = 3,008.28 : x
  2. Step 2: Convert to fraction form
    3,740.52/5,151.38 = 3,008.28/x
  3. Step 3: Cross multiply
    3,740.52x = 5,151.38 × 3,008.28
  4. Step 4: Simplify right side
    3,740.52x = 15,496,793.43
  5. Step 5: Solve for x
    x = 15,496,793.43/3,740.52
  6. Step 6: Final answer
    x = 4,142.95

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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.