Home / 7,738.74-11,608.92-2,545.02

Finding the Fourth Proportional to 7,738.74, 11,608.92 and 2,545.02

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Solution

The fourth proportional to 7,738.74, 11,608.92 and 2,545.02 is: 3,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.74 : 11,608.92 = 2,545.02 : x
  2. Step 2: Convert to fraction form
    7,738.74/11,608.92 = 2,545.02/x
  3. Step 3: Cross multiply
    7,738.74x = 11,608.92 × 2,545.02
  4. Step 4: Simplify right side
    7,738.74x = 29,544,933.58
  5. Step 5: Solve for x
    x = 29,544,933.58/7,738.74
  6. Step 6: Final answer
    x = 3,817.80

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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.