Home / 3,382.44-4,672.29-2,721.84

Finding the Fourth Proportional to 3,382.44, 4,672.29 and 2,721.84

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Solution

The fourth proportional to 3,382.44, 4,672.29 and 2,721.84 is: 3,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.44 : 4,672.29 = 2,721.84 : x
  2. Step 2: Convert to fraction form
    3,382.44/4,672.29 = 2,721.84/x
  3. Step 3: Cross multiply
    3,382.44x = 4,672.29 × 2,721.84
  4. Step 4: Simplify right side
    3,382.44x = 12,717,225.81
  5. Step 5: Solve for x
    x = 12,717,225.81/3,382.44
  6. Step 6: Final answer
    x = 3,759.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.