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Finding the Fourth Proportional to 5,855.81, 8,081.14 and 3,203.39

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Solution

The fourth proportional to 5,855.81, 8,081.14 and 3,203.39 is: 4,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.81 : 8,081.14 = 3,203.39 : x
  2. Step 2: Convert to fraction form
    5,855.81/8,081.14 = 3,203.39/x
  3. Step 3: Cross multiply
    5,855.81x = 8,081.14 × 3,203.39
  4. Step 4: Simplify right side
    5,855.81x = 25,887,043.06
  5. Step 5: Solve for x
    x = 25,887,043.06/5,855.81
  6. Step 6: Final answer
    x = 4,420.75

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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.