Home / 5,178.36-7,767.93-3,551.04

Finding the Fourth Proportional to 5,178.36, 7,767.93 and 3,551.04

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Solution

The fourth proportional to 5,178.36, 7,767.93 and 3,551.04 is: 5,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.36 : 7,767.93 = 3,551.04 : x
  2. Step 2: Convert to fraction form
    5,178.36/7,767.93 = 3,551.04/x
  3. Step 3: Cross multiply
    5,178.36x = 7,767.93 × 3,551.04
  4. Step 4: Simplify right side
    5,178.36x = 27,584,230.15
  5. Step 5: Solve for x
    x = 27,584,230.15/5,178.36
  6. Step 6: Final answer
    x = 5,326.83

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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.