Home / 7,172.82-10,759.62-2,555.82

Finding the Fourth Proportional to 7,172.82, 10,759.62 and 2,555.82

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Solution

The fourth proportional to 7,172.82, 10,759.62 and 2,555.82 is: 3,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.82 : 10,759.62 = 2,555.82 : x
  2. Step 2: Convert to fraction form
    7,172.82/10,759.62 = 2,555.82/x
  3. Step 3: Cross multiply
    7,172.82x = 10,759.62 × 2,555.82
  4. Step 4: Simplify right side
    7,172.82x = 27,499,651.99
  5. Step 5: Solve for x
    x = 27,499,651.99/7,172.82
  6. Step 6: Final answer
    x = 3,833.87

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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.