Home / 3,638.19-5,020.61-2,066.25

Finding the Fourth Proportional to 3,638.19, 5,020.61 and 2,066.25

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Solution

The fourth proportional to 3,638.19, 5,020.61 and 2,066.25 is: 2,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.19 : 5,020.61 = 2,066.25 : x
  2. Step 2: Convert to fraction form
    3,638.19/5,020.61 = 2,066.25/x
  3. Step 3: Cross multiply
    3,638.19x = 5,020.61 × 2,066.25
  4. Step 4: Simplify right side
    3,638.19x = 10,373,825.08
  5. Step 5: Solve for x
    x = 10,373,825.08/3,638.19
  6. Step 6: Final answer
    x = 2,851.37

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Half 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.