Home / 5,413.68-8,129.52-3,374.64

Finding the Fourth Proportional to 5,413.68, 8,129.52 and 3,374.64

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Solution

The fourth proportional to 5,413.68, 8,129.52 and 3,374.64 is: 5,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.68 : 8,129.52 = 3,374.64 : x
  2. Step 2: Convert to fraction form
    5,413.68/8,129.52 = 3,374.64/x
  3. Step 3: Cross multiply
    5,413.68x = 8,129.52 × 3,374.64
  4. Step 4: Simplify right side
    5,413.68x = 27,434,203.37
  5. Step 5: Solve for x
    x = 27,434,203.37/5,413.68
  6. Step 6: Final answer
    x = 5,067.57

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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.