Home / 3,432.15-5,149.08-966.96

Finding the Fourth Proportional to 3,432.15, 5,149.08 and 966.96

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Solution

The fourth proportional to 3,432.15, 5,149.08 and 966.96 is: 1,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.15 : 5,149.08 = 966.96 : x
  2. Step 2: Convert to fraction form
    3,432.15/5,149.08 = 966.96/x
  3. Step 3: Cross multiply
    3,432.15x = 5,149.08 × 966.96
  4. Step 4: Simplify right side
    3,432.15x = 4,978,954.40
  5. Step 5: Solve for x
    x = 4,978,954.40/3,432.15
  6. Step 6: Final answer
    x = 1,450.68

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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.