Home / 5,414.54-7,470.98-3,177.11

Finding the Fourth Proportional to 5,414.54, 7,470.98 and 3,177.11

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Solution

The fourth proportional to 5,414.54, 7,470.98 and 3,177.11 is: 4,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.54 : 7,470.98 = 3,177.11 : x
  2. Step 2: Convert to fraction form
    5,414.54/7,470.98 = 3,177.11/x
  3. Step 3: Cross multiply
    5,414.54x = 7,470.98 × 3,177.11
  4. Step 4: Simplify right side
    5,414.54x = 23,736,072.03
  5. Step 5: Solve for x
    x = 23,736,072.03/5,414.54
  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.