Home / 7,791.19-11,687.39-2,597.06

Finding the Fourth Proportional to 7,791.19, 11,687.39 and 2,597.06

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Solution

The fourth proportional to 7,791.19, 11,687.39 and 2,597.06 is: 3,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.19 : 11,687.39 = 2,597.06 : x
  2. Step 2: Convert to fraction form
    7,791.19/11,687.39 = 2,597.06/x
  3. Step 3: Cross multiply
    7,791.19x = 11,687.39 × 2,597.06
  4. Step 4: Simplify right side
    7,791.19x = 30,352,879.05
  5. Step 5: Solve for x
    x = 30,352,879.05/7,791.19
  6. Step 6: Final answer
    x = 3,895.80

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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.