Home / 5,221.44-7,205.58-2,863.59

Finding the Fourth Proportional to 5,221.44, 7,205.58 and 2,863.59

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Solution

The fourth proportional to 5,221.44, 7,205.58 and 2,863.59 is: 3,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.44 : 7,205.58 = 2,863.59 : x
  2. Step 2: Convert to fraction form
    5,221.44/7,205.58 = 2,863.59/x
  3. Step 3: Cross multiply
    5,221.44x = 7,205.58 × 2,863.59
  4. Step 4: Simplify right side
    5,221.44x = 20,633,826.83
  5. Step 5: Solve for x
    x = 20,633,826.83/5,221.44
  6. Step 6: Final answer
    x = 3,951.75

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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.