Home / 4,092.26-6,138.24-1,319.08

Finding the Fourth Proportional to 4,092.26, 6,138.24 and 1,319.08

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Solution

The fourth proportional to 4,092.26, 6,138.24 and 1,319.08 is: 1,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.26 : 6,138.24 = 1,319.08 : x
  2. Step 2: Convert to fraction form
    4,092.26/6,138.24 = 1,319.08/x
  3. Step 3: Cross multiply
    4,092.26x = 6,138.24 × 1,319.08
  4. Step 4: Simplify right side
    4,092.26x = 8,096,829.62
  5. Step 5: Solve for x
    x = 8,096,829.62/4,092.26
  6. Step 6: Final answer
    x = 1,978.57

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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.