Home / 5,413.18-8,116.68-1,716.34

Finding the Fourth Proportional to 5,413.18, 8,116.68 and 1,716.34

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Solution

The fourth proportional to 5,413.18, 8,116.68 and 1,716.34 is: 2,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.18 : 8,116.68 = 1,716.34 : x
  2. Step 2: Convert to fraction form
    5,413.18/8,116.68 = 1,716.34/x
  3. Step 3: Cross multiply
    5,413.18x = 8,116.68 × 1,716.34
  4. Step 4: Simplify right side
    5,413.18x = 13,930,982.55
  5. Step 5: Solve for x
    x = 13,930,982.55/5,413.18
  6. Step 6: Final answer
    x = 2,573.53

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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.