Home / 3,413.92-5,112.76-2,177.46

Finding the Fourth Proportional to 3,413.92, 5,112.76 and 2,177.46

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Solution

The fourth proportional to 3,413.92, 5,112.76 and 2,177.46 is: 3,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.92 : 5,112.76 = 2,177.46 : x
  2. Step 2: Convert to fraction form
    3,413.92/5,112.76 = 2,177.46/x
  3. Step 3: Cross multiply
    3,413.92x = 5,112.76 × 2,177.46
  4. Step 4: Simplify right side
    3,413.92x = 11,132,830.39
  5. Step 5: Solve for x
    x = 11,132,830.39/3,413.92
  6. Step 6: Final answer
    x = 3,261.01

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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.