Home / 2,251.01-3,374.45-789.36

Finding the Fourth Proportional to 2,251.01, 3,374.45 and 789.36

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Solution

The fourth proportional to 2,251.01, 3,374.45 and 789.36 is: 1,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.01 : 3,374.45 = 789.36 : x
  2. Step 2: Convert to fraction form
    2,251.01/3,374.45 = 789.36/x
  3. Step 3: Cross multiply
    2,251.01x = 3,374.45 × 789.36
  4. Step 4: Simplify right side
    2,251.01x = 2,663,657.83
  5. Step 5: Solve for x
    x = 2,663,657.83/2,251.01
  6. Step 6: Final answer
    x = 1,183.32

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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.