Home / 5,414.14-7,472.78-3,176.11

Finding the Fourth Proportional to 5,414.14, 7,472.78 and 3,176.11

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Solution

The fourth proportional to 5,414.14, 7,472.78 and 3,176.11 is: 4,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.14 : 7,472.78 = 3,176.11 : x
  2. Step 2: Convert to fraction form
    5,414.14/7,472.78 = 3,176.11/x
  3. Step 3: Cross multiply
    5,414.14x = 7,472.78 × 3,176.11
  4. Step 4: Simplify right side
    5,414.14x = 23,734,371.29
  5. Step 5: Solve for x
    x = 23,734,371.29/5,414.14
  6. Step 6: Final answer
    x = 4,383.77

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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.