Home / 3,865.17-5,333.94-2,096.78

Finding the Fourth Proportional to 3,865.17, 5,333.94 and 2,096.78

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Solution

The fourth proportional to 3,865.17, 5,333.94 and 2,096.78 is: 2,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.17 : 5,333.94 = 2,096.78 : x
  2. Step 2: Convert to fraction form
    3,865.17/5,333.94 = 2,096.78/x
  3. Step 3: Cross multiply
    3,865.17x = 5,333.94 × 2,096.78
  4. Step 4: Simplify right side
    3,865.17x = 11,184,098.71
  5. Step 5: Solve for x
    x = 11,184,098.71/3,865.17
  6. Step 6: Final answer
    x = 2,893.56

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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.