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Finding the Fourth Proportional to 2,587.97, 3,882.89 and 1,599.63

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Solution

The fourth proportional to 2,587.97, 3,882.89 and 1,599.63 is: 2,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.97 : 3,882.89 = 1,599.63 : x
  2. Step 2: Convert to fraction form
    2,587.97/3,882.89 = 1,599.63/x
  3. Step 3: Cross multiply
    2,587.97x = 3,882.89 × 1,599.63
  4. Step 4: Simplify right side
    2,587.97x = 6,211,159.92
  5. Step 5: Solve for x
    x = 6,211,159.92/2,587.97
  6. Step 6: Final answer
    x = 2,400.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.