Home / 3,971.24-5,480.26-2,202.83

Finding the Fourth Proportional to 3,971.24, 5,480.26 and 2,202.83

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Solution

The fourth proportional to 3,971.24, 5,480.26 and 2,202.83 is: 3,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.24 : 5,480.26 = 2,202.83 : x
  2. Step 2: Convert to fraction form
    3,971.24/5,480.26 = 2,202.83/x
  3. Step 3: Cross multiply
    3,971.24x = 5,480.26 × 2,202.83
  4. Step 4: Simplify right side
    3,971.24x = 12,072,048.23
  5. Step 5: Solve for x
    x = 12,072,048.23/3,971.24
  6. Step 6: Final answer
    x = 3,039.87

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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.