Home / 3,775.11-5,662.62-2,659.92

Finding the Fourth Proportional to 3,775.11, 5,662.62 and 2,659.92

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Solution

The fourth proportional to 3,775.11, 5,662.62 and 2,659.92 is: 3,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.11 : 5,662.62 = 2,659.92 : x
  2. Step 2: Convert to fraction form
    3,775.11/5,662.62 = 2,659.92/x
  3. Step 3: Cross multiply
    3,775.11x = 5,662.62 × 2,659.92
  4. Step 4: Simplify right side
    3,775.11x = 15,062,116.19
  5. Step 5: Solve for x
    x = 15,062,116.19/3,775.11
  6. Step 6: Final answer
    x = 3,989.85

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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.