Home / 5,809.39-8,016.82-3,156.73

Finding the Fourth Proportional to 5,809.39, 8,016.82 and 3,156.73

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Solution

The fourth proportional to 5,809.39, 8,016.82 and 3,156.73 is: 4,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.39 : 8,016.82 = 3,156.73 : x
  2. Step 2: Convert to fraction form
    5,809.39/8,016.82 = 3,156.73/x
  3. Step 3: Cross multiply
    5,809.39x = 8,016.82 × 3,156.73
  4. Step 4: Simplify right side
    5,809.39x = 25,306,936.20
  5. Step 5: Solve for x
    x = 25,306,936.20/5,809.39
  6. Step 6: Final answer
    x = 4,356.21

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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.