Home / 5,422.46-8,136.77-2,500.77

Finding the Fourth Proportional to 5,422.46, 8,136.77 and 2,500.77

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Solution

The fourth proportional to 5,422.46, 8,136.77 and 2,500.77 is: 3,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.46 : 8,136.77 = 2,500.77 : x
  2. Step 2: Convert to fraction form
    5,422.46/8,136.77 = 2,500.77/x
  3. Step 3: Cross multiply
    5,422.46x = 8,136.77 × 2,500.77
  4. Step 4: Simplify right side
    5,422.46x = 20,348,190.31
  5. Step 5: Solve for x
    x = 20,348,190.31/5,422.46
  6. Step 6: Final answer
    x = 3,752.58

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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.