Home / 2,669.07-3,997.76-2,201.58

Finding the Fourth Proportional to 2,669.07, 3,997.76 and 2,201.58

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Solution

The fourth proportional to 2,669.07, 3,997.76 and 2,201.58 is: 3,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.07 : 3,997.76 = 2,201.58 : x
  2. Step 2: Convert to fraction form
    2,669.07/3,997.76 = 2,201.58/x
  3. Step 3: Cross multiply
    2,669.07x = 3,997.76 × 2,201.58
  4. Step 4: Simplify right side
    2,669.07x = 8,801,377.45
  5. Step 5: Solve for x
    x = 8,801,377.45/2,669.07
  6. Step 6: Final answer
    x = 3,297.54

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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.