Home / 2,724.44-3,761.12-1,928.39

Finding the Fourth Proportional to 2,724.44, 3,761.12 and 1,928.39

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Solution

The fourth proportional to 2,724.44, 3,761.12 and 1,928.39 is: 2,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.44 : 3,761.12 = 1,928.39 : x
  2. Step 2: Convert to fraction form
    2,724.44/3,761.12 = 1,928.39/x
  3. Step 3: Cross multiply
    2,724.44x = 3,761.12 × 1,928.39
  4. Step 4: Simplify right side
    2,724.44x = 7,252,902.52
  5. Step 5: Solve for x
    x = 7,252,902.52/2,724.44
  6. Step 6: Final answer
    x = 2,662.17

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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.