Home / 3,923.25-5,413.89-2,352.21

Finding the Fourth Proportional to 3,923.25, 5,413.89 and 2,352.21

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Solution

The fourth proportional to 3,923.25, 5,413.89 and 2,352.21 is: 3,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.25 : 5,413.89 = 2,352.21 : x
  2. Step 2: Convert to fraction form
    3,923.25/5,413.89 = 2,352.21/x
  3. Step 3: Cross multiply
    3,923.25x = 5,413.89 × 2,352.21
  4. Step 4: Simplify right side
    3,923.25x = 12,734,606.20
  5. Step 5: Solve for x
    x = 12,734,606.20/3,923.25
  6. Step 6: Final answer
    x = 3,245.93

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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.