Home / 2,763.20-3,789.76-2,622.44

Finding the Fourth Proportional to 2,763.20, 3,789.76 and 2,622.44

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Solution

The fourth proportional to 2,763.20, 3,789.76 and 2,622.44 is: 3,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.20 : 3,789.76 = 2,622.44 : x
  2. Step 2: Convert to fraction form
    2,763.20/3,789.76 = 2,622.44/x
  3. Step 3: Cross multiply
    2,763.20x = 3,789.76 × 2,622.44
  4. Step 4: Simplify right side
    2,763.20x = 9,938,418.21
  5. Step 5: Solve for x
    x = 9,938,418.21/2,763.20
  6. Step 6: Final answer
    x = 3,596.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.