Home / 3,413.91-5,121.68-1,771.23

Finding the Fourth Proportional to 3,413.91, 5,121.68 and 1,771.23

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Solution

The fourth proportional to 3,413.91, 5,121.68 and 1,771.23 is: 2,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.91 : 5,121.68 = 1,771.23 : x
  2. Step 2: Convert to fraction form
    3,413.91/5,121.68 = 1,771.23/x
  3. Step 3: Cross multiply
    3,413.91x = 5,121.68 × 1,771.23
  4. Step 4: Simplify right side
    3,413.91x = 9,071,664.41
  5. Step 5: Solve for x
    x = 9,071,664.41/3,413.91
  6. Step 6: Final answer
    x = 2,657.27

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