Home / 8,789.15-13,185.68-2,549.41

Finding the Fourth Proportional to 8,789.15, 13,185.68 and 2,549.41

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Solution

The fourth proportional to 8,789.15, 13,185.68 and 2,549.41 is: 3,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.15 : 13,185.68 = 2,549.41 : x
  2. Step 2: Convert to fraction form
    8,789.15/13,185.68 = 2,549.41/x
  3. Step 3: Cross multiply
    8,789.15x = 13,185.68 × 2,549.41
  4. Step 4: Simplify right side
    8,789.15x = 33,615,658.74
  5. Step 5: Solve for x
    x = 33,615,658.74/8,789.15
  6. Step 6: Final answer
    x = 3,824.68

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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.