Home / 5,451.92-8,181.24-2,374.16

Finding the Fourth Proportional to 5,451.92, 8,181.24 and 2,374.16

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Solution

The fourth proportional to 5,451.92, 8,181.24 and 2,374.16 is: 3,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.92 : 8,181.24 = 2,374.16 : x
  2. Step 2: Convert to fraction form
    5,451.92/8,181.24 = 2,374.16/x
  3. Step 3: Cross multiply
    5,451.92x = 8,181.24 × 2,374.16
  4. Step 4: Simplify right side
    5,451.92x = 19,423,572.76
  5. Step 5: Solve for x
    x = 19,423,572.76/5,451.92
  6. Step 6: Final answer
    x = 3,562.70

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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.