Home / 2,861.12-4,292.42-1,474.04

Finding the Fourth Proportional to 2,861.12, 4,292.42 and 1,474.04

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Solution

The fourth proportional to 2,861.12, 4,292.42 and 1,474.04 is: 2,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.12 : 4,292.42 = 1,474.04 : x
  2. Step 2: Convert to fraction form
    2,861.12/4,292.42 = 1,474.04/x
  3. Step 3: Cross multiply
    2,861.12x = 4,292.42 × 1,474.04
  4. Step 4: Simplify right side
    2,861.12x = 6,327,198.78
  5. Step 5: Solve for x
    x = 6,327,198.78/2,861.12
  6. Step 6: Final answer
    x = 2,211.44

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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.