Home / 5,213.65-7,194.38-3,198.17

Finding the Fourth Proportional to 5,213.65, 7,194.38 and 3,198.17

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Solution

The fourth proportional to 5,213.65, 7,194.38 and 3,198.17 is: 4,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.65 : 7,194.38 = 3,198.17 : x
  2. Step 2: Convert to fraction form
    5,213.65/7,194.38 = 3,198.17/x
  3. Step 3: Cross multiply
    5,213.65x = 7,194.38 × 3,198.17
  4. Step 4: Simplify right side
    5,213.65x = 23,008,850.28
  5. Step 5: Solve for x
    x = 23,008,850.28/5,213.65
  6. Step 6: Final answer
    x = 4,413.19

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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.