Home / 5,236.96-7,226.94-2,879.08

Finding the Fourth Proportional to 5,236.96, 7,226.94 and 2,879.08

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Solution

The fourth proportional to 5,236.96, 7,226.94 and 2,879.08 is: 3,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.96 : 7,226.94 = 2,879.08 : x
  2. Step 2: Convert to fraction form
    5,236.96/7,226.94 = 2,879.08/x
  3. Step 3: Cross multiply
    5,236.96x = 7,226.94 × 2,879.08
  4. Step 4: Simplify right side
    5,236.96x = 20,806,938.42
  5. Step 5: Solve for x
    x = 20,806,938.42/5,236.96
  6. Step 6: Final answer
    x = 3,973.09

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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.