Home / 5,252.83-7,884.11-2,657.59

Finding the Fourth Proportional to 5,252.83, 7,884.11 and 2,657.59

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Solution

The fourth proportional to 5,252.83, 7,884.11 and 2,657.59 is: 3,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.83 : 7,884.11 = 2,657.59 : x
  2. Step 2: Convert to fraction form
    5,252.83/7,884.11 = 2,657.59/x
  3. Step 3: Cross multiply
    5,252.83x = 7,884.11 × 2,657.59
  4. Step 4: Simplify right side
    5,252.83x = 20,952,731.89
  5. Step 5: Solve for x
    x = 20,952,731.89/5,252.83
  6. Step 6: Final answer
    x = 3,988.85

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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.