Home / 5,248.08-7,874.87-3,398.72

Finding the Fourth Proportional to 5,248.08, 7,874.87 and 3,398.72

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Solution

The fourth proportional to 5,248.08, 7,874.87 and 3,398.72 is: 5,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.08 : 7,874.87 = 3,398.72 : x
  2. Step 2: Convert to fraction form
    5,248.08/7,874.87 = 3,398.72/x
  3. Step 3: Cross multiply
    5,248.08x = 7,874.87 × 3,398.72
  4. Step 4: Simplify right side
    5,248.08x = 26,764,421.80
  5. Step 5: Solve for x
    x = 26,764,421.80/5,248.08
  6. Step 6: Final answer
    x = 5,099.85

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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.