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Finding the Fourth Proportional to 5,808.98, 8,016.44 and 3,156.41

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Solution

The fourth proportional to 5,808.98, 8,016.44 and 3,156.41 is: 4,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.98 : 8,016.44 = 3,156.41 : x
  2. Step 2: Convert to fraction form
    5,808.98/8,016.44 = 3,156.41/x
  3. Step 3: Cross multiply
    5,808.98x = 8,016.44 × 3,156.41
  4. Step 4: Simplify right side
    5,808.98x = 25,303,115.52
  5. Step 5: Solve for x
    x = 25,303,115.52/5,808.98
  6. Step 6: Final answer
    x = 4,355.87

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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.