Home / 3,865.20-5,333.97-2,096.81

Finding the Fourth Proportional to 3,865.20, 5,333.97 and 2,096.81

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Solution

The fourth proportional to 3,865.20, 5,333.97 and 2,096.81 is: 2,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.20 : 5,333.97 = 2,096.81 : x
  2. Step 2: Convert to fraction form
    3,865.20/5,333.97 = 2,096.81/x
  3. Step 3: Cross multiply
    3,865.20x = 5,333.97 × 2,096.81
  4. Step 4: Simplify right side
    3,865.20x = 11,184,297.10
  5. Step 5: Solve for x
    x = 11,184,297.10/3,865.20
  6. Step 6: Final answer
    x = 2,893.59

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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.