Home / 5,216.20-7,198.25-3,226.23

Finding the Fourth Proportional to 5,216.20, 7,198.25 and 3,226.23

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Solution

The fourth proportional to 5,216.20, 7,198.25 and 3,226.23 is: 4,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.20 : 7,198.25 = 3,226.23 : x
  2. Step 2: Convert to fraction form
    5,216.20/7,198.25 = 3,226.23/x
  3. Step 3: Cross multiply
    5,216.20x = 7,198.25 × 3,226.23
  4. Step 4: Simplify right side
    5,216.20x = 23,223,218.16
  5. Step 5: Solve for x
    x = 23,223,218.16/5,216.20
  6. Step 6: Final answer
    x = 4,452.14

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Half scale
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Double scale
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Similar ratio
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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.