Home / 5,413.17-7,469.03-3,289.80

Finding the Fourth Proportional to 5,413.17, 7,469.03 and 3,289.80

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Solution

The fourth proportional to 5,413.17, 7,469.03 and 3,289.80 is: 4,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.17 : 7,469.03 = 3,289.80 : x
  2. Step 2: Convert to fraction form
    5,413.17/7,469.03 = 3,289.80/x
  3. Step 3: Cross multiply
    5,413.17x = 7,469.03 × 3,289.80
  4. Step 4: Simplify right side
    5,413.17x = 24,571,598.45
  5. Step 5: Solve for x
    x = 24,571,598.45/5,413.17
  6. Step 6: Final answer
    x = 4,539.23

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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.