Home / 4,020.92-5,549.38-2,253.10

Finding the Fourth Proportional to 4,020.92, 5,549.38 and 2,253.10

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Solution

The fourth proportional to 4,020.92, 5,549.38 and 2,253.10 is: 3,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.92 : 5,549.38 = 2,253.10 : x
  2. Step 2: Convert to fraction form
    4,020.92/5,549.38 = 2,253.10/x
  3. Step 3: Cross multiply
    4,020.92x = 5,549.38 × 2,253.10
  4. Step 4: Simplify right side
    4,020.92x = 12,503,308.08
  5. Step 5: Solve for x
    x = 12,503,308.08/4,020.92
  6. Step 6: Final answer
    x = 3,109.56

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Half scale
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Double scale
Find fourth proportional to 4,021.92, 5,550.76 and 2,254.10
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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.