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Finding the Fourth Proportional to 5,458.69, 8,188.04 and 2,338.44

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Solution

The fourth proportional to 5,458.69, 8,188.04 and 2,338.44 is: 3,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.69 : 8,188.04 = 2,338.44 : x
  2. Step 2: Convert to fraction form
    5,458.69/8,188.04 = 2,338.44/x
  3. Step 3: Cross multiply
    5,458.69x = 8,188.04 × 2,338.44
  4. Step 4: Simplify right side
    5,458.69x = 19,147,240.26
  5. Step 5: Solve for x
    x = 19,147,240.26/5,458.69
  6. Step 6: Final answer
    x = 3,507.66

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Similar ratio
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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.