Home / 3,792.12-5,680.50-1,842.84

Finding the Fourth Proportional to 3,792.12, 5,680.50 and 1,842.84

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Solution

The fourth proportional to 3,792.12, 5,680.50 and 1,842.84 is: 2,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.12 : 5,680.50 = 1,842.84 : x
  2. Step 2: Convert to fraction form
    3,792.12/5,680.50 = 1,842.84/x
  3. Step 3: Cross multiply
    3,792.12x = 5,680.50 × 1,842.84
  4. Step 4: Simplify right side
    3,792.12x = 10,468,252.62
  5. Step 5: Solve for x
    x = 10,468,252.62/3,792.12
  6. Step 6: Final answer
    x = 2,760.53

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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.