Home / 7,230.78-10,842.84-2,724.66

Finding the Fourth Proportional to 7,230.78, 10,842.84 and 2,724.66

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Solution

The fourth proportional to 7,230.78, 10,842.84 and 2,724.66 is: 4,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.78 : 10,842.84 = 2,724.66 : x
  2. Step 2: Convert to fraction form
    7,230.78/10,842.84 = 2,724.66/x
  3. Step 3: Cross multiply
    7,230.78x = 10,842.84 × 2,724.66
  4. Step 4: Simplify right side
    7,230.78x = 29,543,052.43
  5. Step 5: Solve for x
    x = 29,543,052.43/7,230.78
  6. Step 6: Final answer
    x = 4,085.74

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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.