Home / 3,198.25-4,413.63-1,801

Finding the Fourth Proportional to 3,198.25, 4,413.63 and 1,801

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Solution

The fourth proportional to 3,198.25, 4,413.63 and 1,801 is: 2,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.25 : 4,413.63 = 1,801 : x
  2. Step 2: Convert to fraction form
    3,198.25/4,413.63 = 1,801/x
  3. Step 3: Cross multiply
    3,198.25x = 4,413.63 × 1,801
  4. Step 4: Simplify right side
    3,198.25x = 7,948,947.63
  5. Step 5: Solve for x
    x = 7,948,947.63/3,198.25
  6. Step 6: Final answer
    x = 2,485.41

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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.