Home / 3,971.17-5,480.49-2,202.94

Finding the Fourth Proportional to 3,971.17, 5,480.49 and 2,202.94

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Solution

The fourth proportional to 3,971.17, 5,480.49 and 2,202.94 is: 3,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.17 : 5,480.49 = 2,202.94 : x
  2. Step 2: Convert to fraction form
    3,971.17/5,480.49 = 2,202.94/x
  3. Step 3: Cross multiply
    3,971.17x = 5,480.49 × 2,202.94
  4. Step 4: Simplify right side
    3,971.17x = 12,073,190.64
  5. Step 5: Solve for x
    x = 12,073,190.64/3,971.17
  6. Step 6: Final answer
    x = 3,040.21

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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.