Home / 5,266.20-7,267.32-2,908.36

Finding the Fourth Proportional to 5,266.20, 7,267.32 and 2,908.36

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Solution

The fourth proportional to 5,266.20, 7,267.32 and 2,908.36 is: 4,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.20 : 7,267.32 = 2,908.36 : x
  2. Step 2: Convert to fraction form
    5,266.20/7,267.32 = 2,908.36/x
  3. Step 3: Cross multiply
    5,266.20x = 7,267.32 × 2,908.36
  4. Step 4: Simplify right side
    5,266.20x = 21,135,982.80
  5. Step 5: Solve for x
    x = 21,135,982.80/5,266.20
  6. Step 6: Final answer
    x = 4,013.52

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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.