Home / 5,657.47-8,456.45-4,911.12

Finding the Fourth Proportional to 5,657.47, 8,456.45 and 4,911.12

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Solution

The fourth proportional to 5,657.47, 8,456.45 and 4,911.12 is: 7,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.47 : 8,456.45 = 4,911.12 : x
  2. Step 2: Convert to fraction form
    5,657.47/8,456.45 = 4,911.12/x
  3. Step 3: Cross multiply
    5,657.47x = 8,456.45 × 4,911.12
  4. Step 4: Simplify right side
    5,657.47x = 41,530,616.17
  5. Step 5: Solve for x
    x = 41,530,616.17/5,657.47
  6. Step 6: Final answer
    x = 7,340.85

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.