Home / 2,413.80-3,331.67-2,249.64

Finding the Fourth Proportional to 2,413.80, 3,331.67 and 2,249.64

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Solution

The fourth proportional to 2,413.80, 3,331.67 and 2,249.64 is: 3,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.80 : 3,331.67 = 2,249.64 : x
  2. Step 2: Convert to fraction form
    2,413.80/3,331.67 = 2,249.64/x
  3. Step 3: Cross multiply
    2,413.80x = 3,331.67 × 2,249.64
  4. Step 4: Simplify right side
    2,413.80x = 7,495,046.85
  5. Step 5: Solve for x
    x = 7,495,046.85/2,413.80
  6. Step 6: Final answer
    x = 3,105.08

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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.