Home / 3,221.58-4,440.99-2,274.27

Finding the Fourth Proportional to 3,221.58, 4,440.99 and 2,274.27

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Solution

The fourth proportional to 3,221.58, 4,440.99 and 2,274.27 is: 3,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.58 : 4,440.99 = 2,274.27 : x
  2. Step 2: Convert to fraction form
    3,221.58/4,440.99 = 2,274.27/x
  3. Step 3: Cross multiply
    3,221.58x = 4,440.99 × 2,274.27
  4. Step 4: Simplify right side
    3,221.58x = 10,100,010.33
  5. Step 5: Solve for x
    x = 10,100,010.33/3,221.58
  6. Step 6: Final answer
    x = 3,135.11

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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.