Home / 7,081.49-10,626.33-2,920.73

Finding the Fourth Proportional to 7,081.49, 10,626.33 and 2,920.73

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Solution

The fourth proportional to 7,081.49, 10,626.33 and 2,920.73 is: 4,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.49 : 10,626.33 = 2,920.73 : x
  2. Step 2: Convert to fraction form
    7,081.49/10,626.33 = 2,920.73/x
  3. Step 3: Cross multiply
    7,081.49x = 10,626.33 × 2,920.73
  4. Step 4: Simplify right side
    7,081.49x = 31,036,587.69
  5. Step 5: Solve for x
    x = 31,036,587.69/7,081.49
  6. Step 6: Final answer
    x = 4,382.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.