Home / 5,455.94-8,185.66-2,682.04

Finding the Fourth Proportional to 5,455.94, 8,185.66 and 2,682.04

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Solution

The fourth proportional to 5,455.94, 8,185.66 and 2,682.04 is: 4,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.94 : 8,185.66 = 2,682.04 : x
  2. Step 2: Convert to fraction form
    5,455.94/8,185.66 = 2,682.04/x
  3. Step 3: Cross multiply
    5,455.94x = 8,185.66 × 2,682.04
  4. Step 4: Simplify right side
    5,455.94x = 21,954,267.55
  5. Step 5: Solve for x
    x = 21,954,267.55/5,455.94
  6. Step 6: Final answer
    x = 4,023.92

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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.