Home / 2,022.50-3,032.28-635.09

Finding the Fourth Proportional to 2,022.50, 3,032.28 and 635.09

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Solution

The fourth proportional to 2,022.50, 3,032.28 and 635.09 is: 952.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.50 : 3,032.28 = 635.09 : x
  2. Step 2: Convert to fraction form
    2,022.50/3,032.28 = 635.09/x
  3. Step 3: Cross multiply
    2,022.50x = 3,032.28 × 635.09
  4. Step 4: Simplify right side
    2,022.50x = 1,925,755.54
  5. Step 5: Solve for x
    x = 1,925,755.54/2,022.50
  6. Step 6: Final answer
    x = 952.16

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.