Home / 5,065.92-7,601.76-2,143.92

Finding the Fourth Proportional to 5,065.92, 7,601.76 and 2,143.92

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Solution

The fourth proportional to 5,065.92, 7,601.76 and 2,143.92 is: 3,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.92 : 7,601.76 = 2,143.92 : x
  2. Step 2: Convert to fraction form
    5,065.92/7,601.76 = 2,143.92/x
  3. Step 3: Cross multiply
    5,065.92x = 7,601.76 × 2,143.92
  4. Step 4: Simplify right side
    5,065.92x = 16,297,565.30
  5. Step 5: Solve for x
    x = 16,297,565.30/5,065.92
  6. Step 6: Final answer
    x = 3,217.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.