Home / 3,933.12-5,413.68-3,262.44

Finding the Fourth Proportional to 3,933.12, 5,413.68 and 3,262.44

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Solution

The fourth proportional to 3,933.12, 5,413.68 and 3,262.44 is: 4,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.12 : 5,413.68 = 3,262.44 : x
  2. Step 2: Convert to fraction form
    3,933.12/5,413.68 = 3,262.44/x
  3. Step 3: Cross multiply
    3,933.12x = 5,413.68 × 3,262.44
  4. Step 4: Simplify right side
    3,933.12x = 17,661,806.18
  5. Step 5: Solve for x
    x = 17,661,806.18/3,933.12
  6. Step 6: Final answer
    x = 4,490.53

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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.