Home / 2,868.54-4,273.97-2,679.94

Finding the Fourth Proportional to 2,868.54, 4,273.97 and 2,679.94

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Solution

The fourth proportional to 2,868.54, 4,273.97 and 2,679.94 is: 3,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.54 : 4,273.97 = 2,679.94 : x
  2. Step 2: Convert to fraction form
    2,868.54/4,273.97 = 2,679.94/x
  3. Step 3: Cross multiply
    2,868.54x = 4,273.97 × 2,679.94
  4. Step 4: Simplify right side
    2,868.54x = 11,453,983.16
  5. Step 5: Solve for x
    x = 11,453,983.16/2,868.54
  6. Step 6: Final answer
    x = 3,992.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.