Home / 5,540.49-8,310.72-2,252.81

Finding the Fourth Proportional to 5,540.49, 8,310.72 and 2,252.81

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Solution

The fourth proportional to 5,540.49, 8,310.72 and 2,252.81 is: 3,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.49 : 8,310.72 = 2,252.81 : x
  2. Step 2: Convert to fraction form
    5,540.49/8,310.72 = 2,252.81/x
  3. Step 3: Cross multiply
    5,540.49x = 8,310.72 × 2,252.81
  4. Step 4: Simplify right side
    5,540.49x = 18,722,431.57
  5. Step 5: Solve for x
    x = 18,722,431.57/5,540.49
  6. Step 6: Final answer
    x = 3,379.20

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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.