Home / 5,487.12-8,232.30-2,198.52

Finding the Fourth Proportional to 5,487.12, 8,232.30 and 2,198.52

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Solution

The fourth proportional to 5,487.12, 8,232.30 and 2,198.52 is: 3,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.12 : 8,232.30 = 2,198.52 : x
  2. Step 2: Convert to fraction form
    5,487.12/8,232.30 = 2,198.52/x
  3. Step 3: Cross multiply
    5,487.12x = 8,232.30 × 2,198.52
  4. Step 4: Simplify right side
    5,487.12x = 18,098,876.20
  5. Step 5: Solve for x
    x = 18,098,876.20/5,487.12
  6. Step 6: Final answer
    x = 3,298.43

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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.