Home / 5,716.35-7,888.19-3,198.02

Finding the Fourth Proportional to 5,716.35, 7,888.19 and 3,198.02

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Solution

The fourth proportional to 5,716.35, 7,888.19 and 3,198.02 is: 4,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.35 : 7,888.19 = 3,198.02 : x
  2. Step 2: Convert to fraction form
    5,716.35/7,888.19 = 3,198.02/x
  3. Step 3: Cross multiply
    5,716.35x = 7,888.19 × 3,198.02
  4. Step 4: Simplify right side
    5,716.35x = 25,226,573.39
  5. Step 5: Solve for x
    x = 25,226,573.39/5,716.35
  6. Step 6: Final answer
    x = 4,413.06

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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.