Home / 3,865.05-5,333.78-2,096.66

Finding the Fourth Proportional to 3,865.05, 5,333.78 and 2,096.66

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Solution

The fourth proportional to 3,865.05, 5,333.78 and 2,096.66 is: 2,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.05 : 5,333.78 = 2,096.66 : x
  2. Step 2: Convert to fraction form
    3,865.05/5,333.78 = 2,096.66/x
  3. Step 3: Cross multiply
    3,865.05x = 5,333.78 × 2,096.66
  4. Step 4: Simplify right side
    3,865.05x = 11,183,086.02
  5. Step 5: Solve for x
    x = 11,183,086.02/3,865.05
  6. Step 6: Final answer
    x = 2,893.39

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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.