Home / 3,413.26-4,708.92-2,086.48

Finding the Fourth Proportional to 3,413.26, 4,708.92 and 2,086.48

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Solution

The fourth proportional to 3,413.26, 4,708.92 and 2,086.48 is: 2,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.26 : 4,708.92 = 2,086.48 : x
  2. Step 2: Convert to fraction form
    3,413.26/4,708.92 = 2,086.48/x
  3. Step 3: Cross multiply
    3,413.26x = 4,708.92 × 2,086.48
  4. Step 4: Simplify right side
    3,413.26x = 9,825,067.40
  5. Step 5: Solve for x
    x = 9,825,067.40/3,413.26
  6. Step 6: Final answer
    x = 2,878.50

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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.