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Finding the Fourth Proportional to 2,248.62, 3,107.07 and 1,729.14

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Solution

The fourth proportional to 2,248.62, 3,107.07 and 1,729.14 is: 2,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.62 : 3,107.07 = 1,729.14 : x
  2. Step 2: Convert to fraction form
    2,248.62/3,107.07 = 1,729.14/x
  3. Step 3: Cross multiply
    2,248.62x = 3,107.07 × 1,729.14
  4. Step 4: Simplify right side
    2,248.62x = 5,372,559.02
  5. Step 5: Solve for x
    x = 5,372,559.02/2,248.62
  6. Step 6: Final answer
    x = 2,389.27

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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.