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Finding the Fourth Proportional to 2,682.62, 3,702.00 and 1,487.57

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Solution

The fourth proportional to 2,682.62, 3,702.00 and 1,487.57 is: 2,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.62 : 3,702.00 = 1,487.57 : x
  2. Step 2: Convert to fraction form
    2,682.62/3,702.00 = 1,487.57/x
  3. Step 3: Cross multiply
    2,682.62x = 3,702.00 × 1,487.57
  4. Step 4: Simplify right side
    2,682.62x = 5,506,971.21
  5. Step 5: Solve for x
    x = 5,506,971.21/2,682.62
  6. Step 6: Final answer
    x = 2,052.83

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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.