Home / 5,711.91-8,571.11-2,424.66

Finding the Fourth Proportional to 5,711.91, 8,571.11 and 2,424.66

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Solution

The fourth proportional to 5,711.91, 8,571.11 and 2,424.66 is: 3,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.91 : 8,571.11 = 2,424.66 : x
  2. Step 2: Convert to fraction form
    5,711.91/8,571.11 = 2,424.66/x
  3. Step 3: Cross multiply
    5,711.91x = 8,571.11 × 2,424.66
  4. Step 4: Simplify right side
    5,711.91x = 20,782,015.45
  5. Step 5: Solve for x
    x = 20,782,015.45/5,711.91
  6. Step 6: Final answer
    x = 3,638.37

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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.