Home / 5,173.83-7,138.62-3,049.47

Finding the Fourth Proportional to 5,173.83, 7,138.62 and 3,049.47

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Solution

The fourth proportional to 5,173.83, 7,138.62 and 3,049.47 is: 4,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.83 : 7,138.62 = 3,049.47 : x
  2. Step 2: Convert to fraction form
    5,173.83/7,138.62 = 3,049.47/x
  3. Step 3: Cross multiply
    5,173.83x = 7,138.62 × 3,049.47
  4. Step 4: Simplify right side
    5,173.83x = 21,769,007.53
  5. Step 5: Solve for x
    x = 21,769,007.53/5,173.83
  6. Step 6: Final answer
    x = 4,207.52

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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.