Home / 2,251.04-3,376.55-789.84

Finding the Fourth Proportional to 2,251.04, 3,376.55 and 789.84

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Solution

The fourth proportional to 2,251.04, 3,376.55 and 789.84 is: 1,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.04 : 3,376.55 = 789.84 : x
  2. Step 2: Convert to fraction form
    2,251.04/3,376.55 = 789.84/x
  3. Step 3: Cross multiply
    2,251.04x = 3,376.55 × 789.84
  4. Step 4: Simplify right side
    2,251.04x = 2,666,930.30
  5. Step 5: Solve for x
    x = 2,666,930.30/2,251.04
  6. Step 6: Final answer
    x = 1,184.76

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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.