Home / 5,229.33-7,216.38-2,991.23

Finding the Fourth Proportional to 5,229.33, 7,216.38 and 2,991.23

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Solution

The fourth proportional to 5,229.33, 7,216.38 and 2,991.23 is: 4,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.33 : 7,216.38 = 2,991.23 : x
  2. Step 2: Convert to fraction form
    5,229.33/7,216.38 = 2,991.23/x
  3. Step 3: Cross multiply
    5,229.33x = 7,216.38 × 2,991.23
  4. Step 4: Simplify right side
    5,229.33x = 21,585,816.27
  5. Step 5: Solve for x
    x = 21,585,816.27/5,229.33
  6. Step 6: Final answer
    x = 4,127.84

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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.