Home / 7,631.24-11,445.01-2,084.61

Finding the Fourth Proportional to 7,631.24, 11,445.01 and 2,084.61

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Solution

The fourth proportional to 7,631.24, 11,445.01 and 2,084.61 is: 3,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.24 : 11,445.01 = 2,084.61 : x
  2. Step 2: Convert to fraction form
    7,631.24/11,445.01 = 2,084.61/x
  3. Step 3: Cross multiply
    7,631.24x = 11,445.01 × 2,084.61
  4. Step 4: Simplify right side
    7,631.24x = 23,858,382.30
  5. Step 5: Solve for x
    x = 23,858,382.30/7,631.24
  6. Step 6: Final answer
    x = 3,126.41

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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.