Home / 7,791.09-10,751.62-4,805.73

Finding the Fourth Proportional to 7,791.09, 10,751.62 and 4,805.73

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Solution

The fourth proportional to 7,791.09, 10,751.62 and 4,805.73 is: 6,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.09 : 10,751.62 = 4,805.73 : x
  2. Step 2: Convert to fraction form
    7,791.09/10,751.62 = 4,805.73/x
  3. Step 3: Cross multiply
    7,791.09x = 10,751.62 × 4,805.73
  4. Step 4: Simplify right side
    7,791.09x = 51,669,382.78
  5. Step 5: Solve for x
    x = 51,669,382.78/7,791.09
  6. Step 6: Final answer
    x = 6,631.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.