Home / 8,158.48-12,238.53-2,610.43

Finding the Fourth Proportional to 8,158.48, 12,238.53 and 2,610.43

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Solution

The fourth proportional to 8,158.48, 12,238.53 and 2,610.43 is: 3,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.48 : 12,238.53 = 2,610.43 : x
  2. Step 2: Convert to fraction form
    8,158.48/12,238.53 = 2,610.43/x
  3. Step 3: Cross multiply
    8,158.48x = 12,238.53 × 2,610.43
  4. Step 4: Simplify right side
    8,158.48x = 31,947,825.87
  5. Step 5: Solve for x
    x = 31,947,825.87/8,158.48
  6. Step 6: Final answer
    x = 3,915.90

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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.