Home / 5,413.23-7,469.82-3,175.20

Finding the Fourth Proportional to 5,413.23, 7,469.82 and 3,175.20

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Solution

The fourth proportional to 5,413.23, 7,469.82 and 3,175.20 is: 4,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.23 : 7,469.82 = 3,175.20 : x
  2. Step 2: Convert to fraction form
    5,413.23/7,469.82 = 3,175.20/x
  3. Step 3: Cross multiply
    5,413.23x = 7,469.82 × 3,175.20
  4. Step 4: Simplify right side
    5,413.23x = 23,718,172.46
  5. Step 5: Solve for x
    x = 23,718,172.46/5,413.23
  6. Step 6: Final answer
    x = 4,381.52

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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.