Home / 5,551.12-7,662.09-3,194.02

Finding the Fourth Proportional to 5,551.12, 7,662.09 and 3,194.02

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Solution

The fourth proportional to 5,551.12, 7,662.09 and 3,194.02 is: 4,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.12 : 7,662.09 = 3,194.02 : x
  2. Step 2: Convert to fraction form
    5,551.12/7,662.09 = 3,194.02/x
  3. Step 3: Cross multiply
    5,551.12x = 7,662.09 × 3,194.02
  4. Step 4: Simplify right side
    5,551.12x = 24,472,868.70
  5. Step 5: Solve for x
    x = 24,472,868.70/5,551.12
  6. Step 6: Final answer
    x = 4,408.64

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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.