Home / 3,158.12-4,737.90-967.04

Finding the Fourth Proportional to 3,158.12, 4,737.90 and 967.04

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Solution

The fourth proportional to 3,158.12, 4,737.90 and 967.04 is: 1,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.12 : 4,737.90 = 967.04 : x
  2. Step 2: Convert to fraction form
    3,158.12/4,737.90 = 967.04/x
  3. Step 3: Cross multiply
    3,158.12x = 4,737.90 × 967.04
  4. Step 4: Simplify right side
    3,158.12x = 4,581,738.82
  5. Step 5: Solve for x
    x = 4,581,738.82/3,158.12
  6. Step 6: Final answer
    x = 1,450.78

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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.