Home / 5,555.88-7,668.09-3,197.97

Finding the Fourth Proportional to 5,555.88, 7,668.09 and 3,197.97

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Solution

The fourth proportional to 5,555.88, 7,668.09 and 3,197.97 is: 4,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.88 : 7,668.09 = 3,197.97 : x
  2. Step 2: Convert to fraction form
    5,555.88/7,668.09 = 3,197.97/x
  3. Step 3: Cross multiply
    5,555.88x = 7,668.09 × 3,197.97
  4. Step 4: Simplify right side
    5,555.88x = 24,522,321.78
  5. Step 5: Solve for x
    x = 24,522,321.78/5,555.88
  6. Step 6: Final answer
    x = 4,413.76

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1.5x scale

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.