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Finding the Fourth Proportional to 5,855.60, 8,074.58 and 3,863.54

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Solution

The fourth proportional to 5,855.60, 8,074.58 and 3,863.54 is: 5,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.60 : 8,074.58 = 3,863.54 : x
  2. Step 2: Convert to fraction form
    5,855.60/8,074.58 = 3,863.54/x
  3. Step 3: Cross multiply
    5,855.60x = 8,074.58 × 3,863.54
  4. Step 4: Simplify right side
    5,855.60x = 31,196,462.81
  5. Step 5: Solve for x
    x = 31,196,462.81/5,855.60
  6. Step 6: Final answer
    x = 5,327.63

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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.