Home / 5,627.38-8,442.03-1,731.70

Finding the Fourth Proportional to 5,627.38, 8,442.03 and 1,731.70

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Solution

The fourth proportional to 5,627.38, 8,442.03 and 1,731.70 is: 2,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.38 : 8,442.03 = 1,731.70 : x
  2. Step 2: Convert to fraction form
    5,627.38/8,442.03 = 1,731.70/x
  3. Step 3: Cross multiply
    5,627.38x = 8,442.03 × 1,731.70
  4. Step 4: Simplify right side
    5,627.38x = 14,619,063.35
  5. Step 5: Solve for x
    x = 14,619,063.35/5,627.38
  6. Step 6: Final answer
    x = 2,597.85

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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.