Home / 7,561.70-11,337.69-3,610.82

Finding the Fourth Proportional to 7,561.70, 11,337.69 and 3,610.82

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Solution

The fourth proportional to 7,561.70, 11,337.69 and 3,610.82 is: 5,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.70 : 11,337.69 = 3,610.82 : x
  2. Step 2: Convert to fraction form
    7,561.70/11,337.69 = 3,610.82/x
  3. Step 3: Cross multiply
    7,561.70x = 11,337.69 × 3,610.82
  4. Step 4: Simplify right side
    7,561.70x = 40,938,357.81
  5. Step 5: Solve for x
    x = 40,938,357.81/7,561.70
  6. Step 6: Final answer
    x = 5,413.91

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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.