Home / 3,218.36-4,441.24-2,273.16

Finding the Fourth Proportional to 3,218.36, 4,441.24 and 2,273.16

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Solution

The fourth proportional to 3,218.36, 4,441.24 and 2,273.16 is: 3,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.36 : 4,441.24 = 2,273.16 : x
  2. Step 2: Convert to fraction form
    3,218.36/4,441.24 = 2,273.16/x
  3. Step 3: Cross multiply
    3,218.36x = 4,441.24 × 2,273.16
  4. Step 4: Simplify right side
    3,218.36x = 10,095,649.12
  5. Step 5: Solve for x
    x = 10,095,649.12/3,218.36
  6. Step 6: Final answer
    x = 3,136.89

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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.