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Finding the Fourth Proportional to 4,251.88, 5,867.59 and 2,388.88

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Solution

The fourth proportional to 4,251.88, 5,867.59 and 2,388.88 is: 3,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.88 : 5,867.59 = 2,388.88 : x
  2. Step 2: Convert to fraction form
    4,251.88/5,867.59 = 2,388.88/x
  3. Step 3: Cross multiply
    4,251.88x = 5,867.59 × 2,388.88
  4. Step 4: Simplify right side
    4,251.88x = 14,016,968.40
  5. Step 5: Solve for x
    x = 14,016,968.40/4,251.88
  6. Step 6: Final answer
    x = 3,296.65

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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.