Home / 5,750.38-7,935.44-3,198.30

Finding the Fourth Proportional to 5,750.38, 7,935.44 and 3,198.30

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Solution

The fourth proportional to 5,750.38, 7,935.44 and 3,198.30 is: 4,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.38 : 7,935.44 = 3,198.30 : x
  2. Step 2: Convert to fraction form
    5,750.38/7,935.44 = 3,198.30/x
  3. Step 3: Cross multiply
    5,750.38x = 7,935.44 × 3,198.30
  4. Step 4: Simplify right side
    5,750.38x = 25,379,917.75
  5. Step 5: Solve for x
    x = 25,379,917.75/5,750.38
  6. Step 6: Final answer
    x = 4,413.61

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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.