Home / 5,121.72-7,067.34-3,232.58

Finding the Fourth Proportional to 5,121.72, 7,067.34 and 3,232.58

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Solution

The fourth proportional to 5,121.72, 7,067.34 and 3,232.58 is: 4,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.72 : 7,067.34 = 3,232.58 : x
  2. Step 2: Convert to fraction form
    5,121.72/7,067.34 = 3,232.58/x
  3. Step 3: Cross multiply
    5,121.72x = 7,067.34 × 3,232.58
  4. Step 4: Simplify right side
    5,121.72x = 22,845,706.60
  5. Step 5: Solve for x
    x = 22,845,706.60/5,121.72
  6. Step 6: Final answer
    x = 4,460.55

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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.