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Finding the Fourth Proportional to 3,591.63, 4,957.05 and 2,078.97

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Solution

The fourth proportional to 3,591.63, 4,957.05 and 2,078.97 is: 2,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.63 : 4,957.05 = 2,078.97 : x
  2. Step 2: Convert to fraction form
    3,591.63/4,957.05 = 2,078.97/x
  3. Step 3: Cross multiply
    3,591.63x = 4,957.05 × 2,078.97
  4. Step 4: Simplify right side
    3,591.63x = 10,305,551.04
  5. Step 5: Solve for x
    x = 10,305,551.04/3,591.63
  6. Step 6: Final answer
    x = 2,869.33

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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.