Home / 2,517.42-3,474.04-1,398.33

Finding the Fourth Proportional to 2,517.42, 3,474.04 and 1,398.33

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Solution

The fourth proportional to 2,517.42, 3,474.04 and 1,398.33 is: 1,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.42 : 3,474.04 = 1,398.33 : x
  2. Step 2: Convert to fraction form
    2,517.42/3,474.04 = 1,398.33/x
  3. Step 3: Cross multiply
    2,517.42x = 3,474.04 × 1,398.33
  4. Step 4: Simplify right side
    2,517.42x = 4,857,836.98
  5. Step 5: Solve for x
    x = 4,857,836.98/2,517.42
  6. Step 6: Final answer
    x = 1,929.69

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