Home / 3,171.54-4,372.08-2,224.48

Finding the Fourth Proportional to 3,171.54, 4,372.08 and 2,224.48

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Solution

The fourth proportional to 3,171.54, 4,372.08 and 2,224.48 is: 3,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.54 : 4,372.08 = 2,224.48 : x
  2. Step 2: Convert to fraction form
    3,171.54/4,372.08 = 2,224.48/x
  3. Step 3: Cross multiply
    3,171.54x = 4,372.08 × 2,224.48
  4. Step 4: Simplify right side
    3,171.54x = 9,725,604.52
  5. Step 5: Solve for x
    x = 9,725,604.52/3,171.54
  6. Step 6: Final answer
    x = 3,066.52

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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.