Home / 3,974.06-5,480.37-2,629.06

Finding the Fourth Proportional to 3,974.06, 5,480.37 and 2,629.06

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Solution

The fourth proportional to 3,974.06, 5,480.37 and 2,629.06 is: 3,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.06 : 5,480.37 = 2,629.06 : x
  2. Step 2: Convert to fraction form
    3,974.06/5,480.37 = 2,629.06/x
  3. Step 3: Cross multiply
    3,974.06x = 5,480.37 × 2,629.06
  4. Step 4: Simplify right side
    3,974.06x = 14,408,207.85
  5. Step 5: Solve for x
    x = 14,408,207.85/3,974.06
  6. Step 6: Final answer
    x = 3,625.56

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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.