Home / 4,086.68-5,637.86-3,198.92

Finding the Fourth Proportional to 4,086.68, 5,637.86 and 3,198.92

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Solution

The fourth proportional to 4,086.68, 5,637.86 and 3,198.92 is: 4,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.68 : 5,637.86 = 3,198.92 : x
  2. Step 2: Convert to fraction form
    4,086.68/5,637.86 = 3,198.92/x
  3. Step 3: Cross multiply
    4,086.68x = 5,637.86 × 3,198.92
  4. Step 4: Simplify right side
    4,086.68x = 18,035,063.11
  5. Step 5: Solve for x
    x = 18,035,063.11/4,086.68
  6. Step 6: Final answer
    x = 4,413.13

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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.