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Finding the Fourth Proportional to 3,951.70, 5,454.15 and 2,604.96

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Solution

The fourth proportional to 3,951.70, 5,454.15 and 2,604.96 is: 3,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.70 : 5,454.15 = 2,604.96 : x
  2. Step 2: Convert to fraction form
    3,951.70/5,454.15 = 2,604.96/x
  3. Step 3: Cross multiply
    3,951.70x = 5,454.15 × 2,604.96
  4. Step 4: Simplify right side
    3,951.70x = 14,207,842.58
  5. Step 5: Solve for x
    x = 14,207,842.58/3,951.70
  6. Step 6: Final answer
    x = 3,595.37

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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.