Home / 3,922.51-5,413.23-2,243.92

Finding the Fourth Proportional to 3,922.51, 5,413.23 and 2,243.92

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Solution

The fourth proportional to 3,922.51, 5,413.23 and 2,243.92 is: 3,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.51 : 5,413.23 = 2,243.92 : x
  2. Step 2: Convert to fraction form
    3,922.51/5,413.23 = 2,243.92/x
  3. Step 3: Cross multiply
    3,922.51x = 5,413.23 × 2,243.92
  4. Step 4: Simplify right side
    3,922.51x = 12,146,855.06
  5. Step 5: Solve for x
    x = 12,146,855.06/3,922.51
  6. Step 6: Final answer
    x = 3,096.70

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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.