Home / 3,208.54-4,427.49-1,792.12

Finding the Fourth Proportional to 3,208.54, 4,427.49 and 1,792.12

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Solution

The fourth proportional to 3,208.54, 4,427.49 and 1,792.12 is: 2,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.54 : 4,427.49 = 1,792.12 : x
  2. Step 2: Convert to fraction form
    3,208.54/4,427.49 = 1,792.12/x
  3. Step 3: Cross multiply
    3,208.54x = 4,427.49 × 1,792.12
  4. Step 4: Simplify right side
    3,208.54x = 7,934,593.38
  5. Step 5: Solve for x
    x = 7,934,593.38/3,208.54
  6. Step 6: Final answer
    x = 2,472.96

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Half scale
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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.