Home / 5,151.74-7,717.31-2,374.61

Finding the Fourth Proportional to 5,151.74, 7,717.31 and 2,374.61

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Solution

The fourth proportional to 5,151.74, 7,717.31 and 2,374.61 is: 3,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.74 : 7,717.31 = 2,374.61 : x
  2. Step 2: Convert to fraction form
    5,151.74/7,717.31 = 2,374.61/x
  3. Step 3: Cross multiply
    5,151.74x = 7,717.31 × 2,374.61
  4. Step 4: Simplify right side
    5,151.74x = 18,325,589.63
  5. Step 5: Solve for x
    x = 18,325,589.63/5,151.74
  6. Step 6: Final answer
    x = 3,557.17

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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.