Home / 5,540-8,312.08-2,253.92

Finding the Fourth Proportional to 5,540, 8,312.08 and 2,253.92

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Solution

The fourth proportional to 5,540, 8,312.08 and 2,253.92 is: 3,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540 : 8,312.08 = 2,253.92 : x
  2. Step 2: Convert to fraction form
    5,540/8,312.08 = 2,253.92/x
  3. Step 3: Cross multiply
    5,540x = 8,312.08 × 2,253.92
  4. Step 4: Simplify right side
    5,540x = 18,734,763.35
  5. Step 5: Solve for x
    x = 18,734,763.35/5,540
  6. Step 6: Final answer
    x = 3,381.73

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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.