Home / 3,198.13-4,413.41-1,871.77

Finding the Fourth Proportional to 3,198.13, 4,413.41 and 1,871.77

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Solution

The fourth proportional to 3,198.13, 4,413.41 and 1,871.77 is: 2,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.13 : 4,413.41 = 1,871.77 : x
  2. Step 2: Convert to fraction form
    3,198.13/4,413.41 = 1,871.77/x
  3. Step 3: Cross multiply
    3,198.13x = 4,413.41 × 1,871.77
  4. Step 4: Simplify right side
    3,198.13x = 8,260,871.05
  5. Step 5: Solve for x
    x = 8,260,871.05/3,198.13
  6. Step 6: Final answer
    x = 2,583.04

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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.