Home / 5,236.59-7,226.97-2,879.19

Finding the Fourth Proportional to 5,236.59, 7,226.97 and 2,879.19

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Solution

The fourth proportional to 5,236.59, 7,226.97 and 2,879.19 is: 3,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.59 : 7,226.97 = 2,879.19 : x
  2. Step 2: Convert to fraction form
    5,236.59/7,226.97 = 2,879.19/x
  3. Step 3: Cross multiply
    5,236.59x = 7,226.97 × 2,879.19
  4. Step 4: Simplify right side
    5,236.59x = 20,807,819.75
  5. Step 5: Solve for x
    x = 20,807,819.75/5,236.59
  6. Step 6: Final answer
    x = 3,973.54

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Half scale
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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.