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Finding the Fourth Proportional to 3,712.62, 5,567.01 and 1,958.56

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Solution

The fourth proportional to 3,712.62, 5,567.01 and 1,958.56 is: 2,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.62 : 5,567.01 = 1,958.56 : x
  2. Step 2: Convert to fraction form
    3,712.62/5,567.01 = 1,958.56/x
  3. Step 3: Cross multiply
    3,712.62x = 5,567.01 × 1,958.56
  4. Step 4: Simplify right side
    3,712.62x = 10,903,344.17
  5. Step 5: Solve for x
    x = 10,903,344.17/3,712.62
  6. Step 6: Final answer
    x = 2,936.83

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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.