Home / 5,455.62-8,186.84-2,493.60

Finding the Fourth Proportional to 5,455.62, 8,186.84 and 2,493.60

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Solution

The fourth proportional to 5,455.62, 8,186.84 and 2,493.60 is: 3,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.62 : 8,186.84 = 2,493.60 : x
  2. Step 2: Convert to fraction form
    5,455.62/8,186.84 = 2,493.60/x
  3. Step 3: Cross multiply
    5,455.62x = 8,186.84 × 2,493.60
  4. Step 4: Simplify right side
    5,455.62x = 20,414,704.22
  5. Step 5: Solve for x
    x = 20,414,704.22/5,455.62
  6. Step 6: Final answer
    x = 3,741.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.