Home / 7,747.22-11,620.83-2,553.50

Finding the Fourth Proportional to 7,747.22, 11,620.83 and 2,553.50

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Solution

The fourth proportional to 7,747.22, 11,620.83 and 2,553.50 is: 3,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.22 : 11,620.83 = 2,553.50 : x
  2. Step 2: Convert to fraction form
    7,747.22/11,620.83 = 2,553.50/x
  3. Step 3: Cross multiply
    7,747.22x = 11,620.83 × 2,553.50
  4. Step 4: Simplify right side
    7,747.22x = 29,673,789.41
  5. Step 5: Solve for x
    x = 29,673,789.41/7,747.22
  6. Step 6: Final answer
    x = 3,830.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.