Home / 7,354.92-10,149.81-3,997.73

Finding the Fourth Proportional to 7,354.92, 10,149.81 and 3,997.73

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Solution

The fourth proportional to 7,354.92, 10,149.81 and 3,997.73 is: 5,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.92 : 10,149.81 = 3,997.73 : x
  2. Step 2: Convert to fraction form
    7,354.92/10,149.81 = 3,997.73/x
  3. Step 3: Cross multiply
    7,354.92x = 10,149.81 × 3,997.73
  4. Step 4: Simplify right side
    7,354.92x = 40,576,129.19
  5. Step 5: Solve for x
    x = 40,576,129.19/7,354.92
  6. Step 6: Final answer
    x = 5,516.87

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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.