Home / 3,198.54-4,413.51-1,801.02

Finding the Fourth Proportional to 3,198.54, 4,413.51 and 1,801.02

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Solution

The fourth proportional to 3,198.54, 4,413.51 and 1,801.02 is: 2,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.54 : 4,413.51 = 1,801.02 : x
  2. Step 2: Convert to fraction form
    3,198.54/4,413.51 = 1,801.02/x
  3. Step 3: Cross multiply
    3,198.54x = 4,413.51 × 1,801.02
  4. Step 4: Simplify right side
    3,198.54x = 7,948,819.78
  5. Step 5: Solve for x
    x = 7,948,819.78/3,198.54
  6. Step 6: Final answer
    x = 2,485.14

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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.