Home / 3,986.14-5,500.98-2,413.32

Finding the Fourth Proportional to 3,986.14, 5,500.98 and 2,413.32

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Solution

The fourth proportional to 3,986.14, 5,500.98 and 2,413.32 is: 3,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.14 : 5,500.98 = 2,413.32 : x
  2. Step 2: Convert to fraction form
    3,986.14/5,500.98 = 2,413.32/x
  3. Step 3: Cross multiply
    3,986.14x = 5,500.98 × 2,413.32
  4. Step 4: Simplify right side
    3,986.14x = 13,275,625.05
  5. Step 5: Solve for x
    x = 13,275,625.05/3,986.14
  6. Step 6: Final answer
    x = 3,330.45

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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.