Home / 5,425.38-7,478.10-3,632.24

Finding the Fourth Proportional to 5,425.38, 7,478.10 and 3,632.24

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Solution

The fourth proportional to 5,425.38, 7,478.10 and 3,632.24 is: 5,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.38 : 7,478.10 = 3,632.24 : x
  2. Step 2: Convert to fraction form
    5,425.38/7,478.10 = 3,632.24/x
  3. Step 3: Cross multiply
    5,425.38x = 7,478.10 × 3,632.24
  4. Step 4: Simplify right side
    5,425.38x = 27,162,216.55
  5. Step 5: Solve for x
    x = 27,162,216.55/5,425.38
  6. Step 6: Final answer
    x = 5,006.51

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Half scale
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Double scale
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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.