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Finding the Fourth Proportional to 3,544.73, 4,891.88 and 1,972.85

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Solution

The fourth proportional to 3,544.73, 4,891.88 and 1,972.85 is: 2,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.73 : 4,891.88 = 1,972.85 : x
  2. Step 2: Convert to fraction form
    3,544.73/4,891.88 = 1,972.85/x
  3. Step 3: Cross multiply
    3,544.73x = 4,891.88 × 1,972.85
  4. Step 4: Simplify right side
    3,544.73x = 9,650,935.59
  5. Step 5: Solve for x
    x = 9,650,935.59/3,544.73
  6. Step 6: Final answer
    x = 2,722.62

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1.5x scale

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.