Home / 7,631.15-11,446.72-2,084.65

Finding the Fourth Proportional to 7,631.15, 11,446.72 and 2,084.65

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Solution

The fourth proportional to 7,631.15, 11,446.72 and 2,084.65 is: 3,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.15 : 11,446.72 = 2,084.65 : x
  2. Step 2: Convert to fraction form
    7,631.15/11,446.72 = 2,084.65/x
  3. Step 3: Cross multiply
    7,631.15x = 11,446.72 × 2,084.65
  4. Step 4: Simplify right side
    7,631.15x = 23,862,371.02
  5. Step 5: Solve for x
    x = 23,862,371.02/7,631.15
  6. Step 6: Final answer
    x = 3,126.97

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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.