Home / 5,413.30-8,118.67-2,333.62

Finding the Fourth Proportional to 5,413.30, 8,118.67 and 2,333.62

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Solution

The fourth proportional to 5,413.30, 8,118.67 and 2,333.62 is: 3,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.30 : 8,118.67 = 2,333.62 : x
  2. Step 2: Convert to fraction form
    5,413.30/8,118.67 = 2,333.62/x
  3. Step 3: Cross multiply
    5,413.30x = 8,118.67 × 2,333.62
  4. Step 4: Simplify right side
    5,413.30x = 18,945,890.69
  5. Step 5: Solve for x
    x = 18,945,890.69/5,413.30
  6. Step 6: Final answer
    x = 3,499.88

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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.