Home / 4,123.44-5,691.87-2,794.50

Finding the Fourth Proportional to 4,123.44, 5,691.87 and 2,794.50

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Solution

The fourth proportional to 4,123.44, 5,691.87 and 2,794.50 is: 3,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.44 : 5,691.87 = 2,794.50 : x
  2. Step 2: Convert to fraction form
    4,123.44/5,691.87 = 2,794.50/x
  3. Step 3: Cross multiply
    4,123.44x = 5,691.87 × 2,794.50
  4. Step 4: Simplify right side
    4,123.44x = 15,905,930.72
  5. Step 5: Solve for x
    x = 15,905,930.72/4,123.44
  6. Step 6: Final answer
    x = 3,857.44

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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.