Home / 3,474.12-5,211.24-1,624.72

Finding the Fourth Proportional to 3,474.12, 5,211.24 and 1,624.72

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Solution

The fourth proportional to 3,474.12, 5,211.24 and 1,624.72 is: 2,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.12 : 5,211.24 = 1,624.72 : x
  2. Step 2: Convert to fraction form
    3,474.12/5,211.24 = 1,624.72/x
  3. Step 3: Cross multiply
    3,474.12x = 5,211.24 × 1,624.72
  4. Step 4: Simplify right side
    3,474.12x = 8,466,805.85
  5. Step 5: Solve for x
    x = 8,466,805.85/3,474.12
  6. Step 6: Final answer
    x = 2,437.11

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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.