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Finding the Fourth Proportional to 3,591.96, 4,958.58 and 2,649.70

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Solution

The fourth proportional to 3,591.96, 4,958.58 and 2,649.70 is: 3,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.96 : 4,958.58 = 2,649.70 : x
  2. Step 2: Convert to fraction form
    3,591.96/4,958.58 = 2,649.70/x
  3. Step 3: Cross multiply
    3,591.96x = 4,958.58 × 2,649.70
  4. Step 4: Simplify right side
    3,591.96x = 13,138,749.43
  5. Step 5: Solve for x
    x = 13,138,749.43/3,591.96
  6. Step 6: Final answer
    x = 3,657.82

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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.