Home / 5,236.92-7,227.30-2,879.06

Finding the Fourth Proportional to 5,236.92, 7,227.30 and 2,879.06

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Solution

The fourth proportional to 5,236.92, 7,227.30 and 2,879.06 is: 3,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.92 : 7,227.30 = 2,879.06 : x
  2. Step 2: Convert to fraction form
    5,236.92/7,227.30 = 2,879.06/x
  3. Step 3: Cross multiply
    5,236.92x = 7,227.30 × 2,879.06
  4. Step 4: Simplify right side
    5,236.92x = 20,807,805.00
  5. Step 5: Solve for x
    x = 20,807,805.00/5,236.92
  6. Step 6: Final answer
    x = 3,973.29

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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.