Home / 5,174.82-7,137.39-3,286.95

Finding the Fourth Proportional to 5,174.82, 7,137.39 and 3,286.95

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Solution

The fourth proportional to 5,174.82, 7,137.39 and 3,286.95 is: 4,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.82 : 7,137.39 = 3,286.95 : x
  2. Step 2: Convert to fraction form
    5,174.82/7,137.39 = 3,286.95/x
  3. Step 3: Cross multiply
    5,174.82x = 7,137.39 × 3,286.95
  4. Step 4: Simplify right side
    5,174.82x = 23,460,244.06
  5. Step 5: Solve for x
    x = 23,460,244.06/5,174.82
  6. Step 6: Final answer
    x = 4,533.54

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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.