Home / 6,413.24-9,621.88-2,253.35

Finding the Fourth Proportional to 6,413.24, 9,621.88 and 2,253.35

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Solution

The fourth proportional to 6,413.24, 9,621.88 and 2,253.35 is: 3,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.24 : 9,621.88 = 2,253.35 : x
  2. Step 2: Convert to fraction form
    6,413.24/9,621.88 = 2,253.35/x
  3. Step 3: Cross multiply
    6,413.24x = 9,621.88 × 2,253.35
  4. Step 4: Simplify right side
    6,413.24x = 21,681,481.72
  5. Step 5: Solve for x
    x = 21,681,481.72/6,413.24
  6. Step 6: Final answer
    x = 3,380.74

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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.