Home / 3,863.22-5,331.20-2,094.81

Finding the Fourth Proportional to 3,863.22, 5,331.20 and 2,094.81

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Solution

The fourth proportional to 3,863.22, 5,331.20 and 2,094.81 is: 2,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.22 : 5,331.20 = 2,094.81 : x
  2. Step 2: Convert to fraction form
    3,863.22/5,331.20 = 2,094.81/x
  3. Step 3: Cross multiply
    3,863.22x = 5,331.20 × 2,094.81
  4. Step 4: Simplify right side
    3,863.22x = 11,167,824.42
  5. Step 5: Solve for x
    x = 11,167,824.42/3,863.22
  6. Step 6: Final answer
    x = 2,890.81

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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.