Home / 5,456.60-8,163.30-4,734.20

Finding the Fourth Proportional to 5,456.60, 8,163.30 and 4,734.20

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Solution

The fourth proportional to 5,456.60, 8,163.30 and 4,734.20 is: 7,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.60 : 8,163.30 = 4,734.20 : x
  2. Step 2: Convert to fraction form
    5,456.60/8,163.30 = 4,734.20/x
  3. Step 3: Cross multiply
    5,456.60x = 8,163.30 × 4,734.20
  4. Step 4: Simplify right side
    5,456.60x = 38,646,694.86
  5. Step 5: Solve for x
    x = 38,646,694.86/5,456.60
  6. Step 6: Final answer
    x = 7,082.56

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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.