Home / 5,517.45-8,269.70-2,743.29

Finding the Fourth Proportional to 5,517.45, 8,269.70 and 2,743.29

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Solution

The fourth proportional to 5,517.45, 8,269.70 and 2,743.29 is: 4,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.45 : 8,269.70 = 2,743.29 : x
  2. Step 2: Convert to fraction form
    5,517.45/8,269.70 = 2,743.29/x
  3. Step 3: Cross multiply
    5,517.45x = 8,269.70 × 2,743.29
  4. Step 4: Simplify right side
    5,517.45x = 22,686,171.60
  5. Step 5: Solve for x
    x = 22,686,171.60/5,517.45
  6. Step 6: Final answer
    x = 4,111.71

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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.