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Finding the Fourth Proportional to 3,591.34, 4,956.02 and 1,998.28

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Solution

The fourth proportional to 3,591.34, 4,956.02 and 1,998.28 is: 2,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.34 : 4,956.02 = 1,998.28 : x
  2. Step 2: Convert to fraction form
    3,591.34/4,956.02 = 1,998.28/x
  3. Step 3: Cross multiply
    3,591.34x = 4,956.02 × 1,998.28
  4. Step 4: Simplify right side
    3,591.34x = 9,903,515.65
  5. Step 5: Solve for x
    x = 9,903,515.65/3,591.34
  6. Step 6: Final answer
    x = 2,757.61

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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.