Home / 5,471.10-7,549.62-3,112.62

Finding the Fourth Proportional to 5,471.10, 7,549.62 and 3,112.62

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Solution

The fourth proportional to 5,471.10, 7,549.62 and 3,112.62 is: 4,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.10 : 7,549.62 = 3,112.62 : x
  2. Step 2: Convert to fraction form
    5,471.10/7,549.62 = 3,112.62/x
  3. Step 3: Cross multiply
    5,471.10x = 7,549.62 × 3,112.62
  4. Step 4: Simplify right side
    5,471.10x = 23,499,098.20
  5. Step 5: Solve for x
    x = 23,499,098.20/5,471.10
  6. Step 6: Final answer
    x = 4,295.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.