Home / 5,976.90-8,251.82-3,853.19

Finding the Fourth Proportional to 5,976.90, 8,251.82 and 3,853.19

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Solution

The fourth proportional to 5,976.90, 8,251.82 and 3,853.19 is: 5,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,976.90 : 8,251.82 = 3,853.19 : x
  2. Step 2: Convert to fraction form
    5,976.90/8,251.82 = 3,853.19/x
  3. Step 3: Cross multiply
    5,976.90x = 8,251.82 × 3,853.19
  4. Step 4: Simplify right side
    5,976.90x = 31,795,830.31
  5. Step 5: Solve for x
    x = 31,795,830.31/5,976.90
  6. Step 6: Final answer
    x = 5,319.79

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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.