Home / 5,266.36-7,267.62-3,171.88

Finding the Fourth Proportional to 5,266.36, 7,267.62 and 3,171.88

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Solution

The fourth proportional to 5,266.36, 7,267.62 and 3,171.88 is: 4,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.36 : 7,267.62 = 3,171.88 : x
  2. Step 2: Convert to fraction form
    5,266.36/7,267.62 = 3,171.88/x
  3. Step 3: Cross multiply
    5,266.36x = 7,267.62 × 3,171.88
  4. Step 4: Simplify right side
    5,266.36x = 23,052,018.53
  5. Step 5: Solve for x
    x = 23,052,018.53/5,266.36
  6. Step 6: Final answer
    x = 4,377.22

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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.