Home / 5,414.36-7,471.14-3,177

Finding the Fourth Proportional to 5,414.36, 7,471.14 and 3,177

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Solution

The fourth proportional to 5,414.36, 7,471.14 and 3,177 is: 4,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.36 : 7,471.14 = 3,177 : x
  2. Step 2: Convert to fraction form
    5,414.36/7,471.14 = 3,177/x
  3. Step 3: Cross multiply
    5,414.36x = 7,471.14 × 3,177
  4. Step 4: Simplify right side
    5,414.36x = 23,735,811.78
  5. Step 5: Solve for x
    x = 23,735,811.78/5,414.36
  6. Step 6: Final answer
    x = 4,383.86

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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.