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Finding the Fourth Proportional to 2,584.27, 3,876.32 and 735.40

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Solution

The fourth proportional to 2,584.27, 3,876.32 and 735.40 is: 1,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.27 : 3,876.32 = 735.40 : x
  2. Step 2: Convert to fraction form
    2,584.27/3,876.32 = 735.40/x
  3. Step 3: Cross multiply
    2,584.27x = 3,876.32 × 735.40
  4. Step 4: Simplify right side
    2,584.27x = 2,850,635.12
  5. Step 5: Solve for x
    x = 2,850,635.12/2,584.27
  6. Step 6: Final answer
    x = 1,103.07

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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.