Home / 5,712.85-8,561.24-2,707.70

Finding the Fourth Proportional to 5,712.85, 8,561.24 and 2,707.70

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Solution

The fourth proportional to 5,712.85, 8,561.24 and 2,707.70 is: 4,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.85 : 8,561.24 = 2,707.70 : x
  2. Step 2: Convert to fraction form
    5,712.85/8,561.24 = 2,707.70/x
  3. Step 3: Cross multiply
    5,712.85x = 8,561.24 × 2,707.70
  4. Step 4: Simplify right side
    5,712.85x = 23,181,213.20
  5. Step 5: Solve for x
    x = 23,181,213.20/5,712.85
  6. Step 6: Final answer
    x = 4,057.73

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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.