Home / 3,413.12-5,112.25-2,092.88

Finding the Fourth Proportional to 3,413.12, 5,112.25 and 2,092.88

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Solution

The fourth proportional to 3,413.12, 5,112.25 and 2,092.88 is: 3,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.12 : 5,112.25 = 2,092.88 : x
  2. Step 2: Convert to fraction form
    3,413.12/5,112.25 = 2,092.88/x
  3. Step 3: Cross multiply
    3,413.12x = 5,112.25 × 2,092.88
  4. Step 4: Simplify right side
    3,413.12x = 10,699,325.78
  5. Step 5: Solve for x
    x = 10,699,325.78/3,413.12
  6. Step 6: Final answer
    x = 3,134.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.