Home / 8,981.85-13,472.77-2,741.89

Finding the Fourth Proportional to 8,981.85, 13,472.77 and 2,741.89

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Solution

The fourth proportional to 8,981.85, 13,472.77 and 2,741.89 is: 4,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.85 : 13,472.77 = 2,741.89 : x
  2. Step 2: Convert to fraction form
    8,981.85/13,472.77 = 2,741.89/x
  3. Step 3: Cross multiply
    8,981.85x = 13,472.77 × 2,741.89
  4. Step 4: Simplify right side
    8,981.85x = 36,940,887.02
  5. Step 5: Solve for x
    x = 36,940,887.02/8,981.85
  6. Step 6: Final answer
    x = 4,112.84

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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.