Home / 3,933.72-5,879.11-3,622.36

Finding the Fourth Proportional to 3,933.72, 5,879.11 and 3,622.36

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Solution

The fourth proportional to 3,933.72, 5,879.11 and 3,622.36 is: 5,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.72 : 5,879.11 = 3,622.36 : x
  2. Step 2: Convert to fraction form
    3,933.72/5,879.11 = 3,622.36/x
  3. Step 3: Cross multiply
    3,933.72x = 5,879.11 × 3,622.36
  4. Step 4: Simplify right side
    3,933.72x = 21,296,252.90
  5. Step 5: Solve for x
    x = 21,296,252.90/3,933.72
  6. Step 6: Final answer
    x = 5,413.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.