Home / 5,805.82-8,012.19-3,153.37

Finding the Fourth Proportional to 5,805.82, 8,012.19 and 3,153.37

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Solution

The fourth proportional to 5,805.82, 8,012.19 and 3,153.37 is: 4,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.82 : 8,012.19 = 3,153.37 : x
  2. Step 2: Convert to fraction form
    5,805.82/8,012.19 = 3,153.37/x
  3. Step 3: Cross multiply
    5,805.82x = 8,012.19 × 3,153.37
  4. Step 4: Simplify right side
    5,805.82x = 25,265,399.58
  5. Step 5: Solve for x
    x = 25,265,399.58/5,805.82
  6. Step 6: Final answer
    x = 4,351.74

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1.5x scale

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.