Home / 4,691.88-6,471.96-3,012.72

Finding the Fourth Proportional to 4,691.88, 6,471.96 and 3,012.72

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Solution

The fourth proportional to 4,691.88, 6,471.96 and 3,012.72 is: 4,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.88 : 6,471.96 = 3,012.72 : x
  2. Step 2: Convert to fraction form
    4,691.88/6,471.96 = 3,012.72/x
  3. Step 3: Cross multiply
    4,691.88x = 6,471.96 × 3,012.72
  4. Step 4: Simplify right side
    4,691.88x = 19,498,203.33
  5. Step 5: Solve for x
    x = 19,498,203.33/4,691.88
  6. Step 6: Final answer
    x = 4,155.73

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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.