Home / 5,268.87-7,270.56-3,031.47

Finding the Fourth Proportional to 5,268.87, 7,270.56 and 3,031.47

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Solution

The fourth proportional to 5,268.87, 7,270.56 and 3,031.47 is: 4,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.87 : 7,270.56 = 3,031.47 : x
  2. Step 2: Convert to fraction form
    5,268.87/7,270.56 = 3,031.47/x
  3. Step 3: Cross multiply
    5,268.87x = 7,270.56 × 3,031.47
  4. Step 4: Simplify right side
    5,268.87x = 22,040,484.52
  5. Step 5: Solve for x
    x = 22,040,484.52/5,268.87
  6. Step 6: Final answer
    x = 4,183.15

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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.