Home / 5,413.43-7,469.45-3,055.11

Finding the Fourth Proportional to 5,413.43, 7,469.45 and 3,055.11

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Solution

The fourth proportional to 5,413.43, 7,469.45 and 3,055.11 is: 4,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.43 : 7,469.45 = 3,055.11 : x
  2. Step 2: Convert to fraction form
    5,413.43/7,469.45 = 3,055.11/x
  3. Step 3: Cross multiply
    5,413.43x = 7,469.45 × 3,055.11
  4. Step 4: Simplify right side
    5,413.43x = 22,819,991.39
  5. Step 5: Solve for x
    x = 22,819,991.39/5,413.43
  6. Step 6: Final answer
    x = 4,215.44

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1.5x scale

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.