Home / 5,747.70-8,618.04-2,458.92

Finding the Fourth Proportional to 5,747.70, 8,618.04 and 2,458.92

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Solution

The fourth proportional to 5,747.70, 8,618.04 and 2,458.92 is: 3,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.70 : 8,618.04 = 2,458.92 : x
  2. Step 2: Convert to fraction form
    5,747.70/8,618.04 = 2,458.92/x
  3. Step 3: Cross multiply
    5,747.70x = 8,618.04 × 2,458.92
  4. Step 4: Simplify right side
    5,747.70x = 21,191,070.92
  5. Step 5: Solve for x
    x = 21,191,070.92/5,747.70
  6. Step 6: Final answer
    x = 3,686.88

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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.