Home / 5,226.27-7,218.19-3,544.75

Finding the Fourth Proportional to 5,226.27, 7,218.19 and 3,544.75

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Solution

The fourth proportional to 5,226.27, 7,218.19 and 3,544.75 is: 4,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.27 : 7,218.19 = 3,544.75 : x
  2. Step 2: Convert to fraction form
    5,226.27/7,218.19 = 3,544.75/x
  3. Step 3: Cross multiply
    5,226.27x = 7,218.19 × 3,544.75
  4. Step 4: Simplify right side
    5,226.27x = 25,586,679.00
  5. Step 5: Solve for x
    x = 25,586,679.00/5,226.27
  6. Step 6: Final answer
    x = 4,895.78

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Half scale
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Double 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.