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Finding the Fourth Proportional to 3,481.52, 4,805.88 and 2,084

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Solution

The fourth proportional to 3,481.52, 4,805.88 and 2,084 is: 2,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.52 : 4,805.88 = 2,084 : x
  2. Step 2: Convert to fraction form
    3,481.52/4,805.88 = 2,084/x
  3. Step 3: Cross multiply
    3,481.52x = 4,805.88 × 2,084
  4. Step 4: Simplify right side
    3,481.52x = 10,015,453.92
  5. Step 5: Solve for x
    x = 10,015,453.92/3,481.52
  6. Step 6: Final answer
    x = 2,876.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.