Home / 5,265.21-7,266.37-3,027.78

Finding the Fourth Proportional to 5,265.21, 7,266.37 and 3,027.78

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Solution

The fourth proportional to 5,265.21, 7,266.37 and 3,027.78 is: 4,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.21 : 7,266.37 = 3,027.78 : x
  2. Step 2: Convert to fraction form
    5,265.21/7,266.37 = 3,027.78/x
  3. Step 3: Cross multiply
    5,265.21x = 7,266.37 × 3,027.78
  4. Step 4: Simplify right side
    5,265.21x = 22,000,972.79
  5. Step 5: Solve for x
    x = 22,000,972.79/5,265.21
  6. Step 6: Final answer
    x = 4,178.56

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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.