Home / 5,413.80-8,116.20-2,296.20

Finding the Fourth Proportional to 5,413.80, 8,116.20 and 2,296.20

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Solution

The fourth proportional to 5,413.80, 8,116.20 and 2,296.20 is: 3,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.80 : 8,116.20 = 2,296.20 : x
  2. Step 2: Convert to fraction form
    5,413.80/8,116.20 = 2,296.20/x
  3. Step 3: Cross multiply
    5,413.80x = 8,116.20 × 2,296.20
  4. Step 4: Simplify right side
    5,413.80x = 18,636,418.44
  5. Step 5: Solve for x
    x = 18,636,418.44/5,413.80
  6. Step 6: Final answer
    x = 3,442.39

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1.5x scale

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.