Home / 5,751.46-8,631.18-2,631.85

Finding the Fourth Proportional to 5,751.46, 8,631.18 and 2,631.85

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Solution

The fourth proportional to 5,751.46, 8,631.18 and 2,631.85 is: 3,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.46 : 8,631.18 = 2,631.85 : x
  2. Step 2: Convert to fraction form
    5,751.46/8,631.18 = 2,631.85/x
  3. Step 3: Cross multiply
    5,751.46x = 8,631.18 × 2,631.85
  4. Step 4: Simplify right side
    5,751.46x = 22,715,971.08
  5. Step 5: Solve for x
    x = 22,715,971.08/5,751.46
  6. Step 6: Final answer
    x = 3,949.60

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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.