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Finding the Fourth Proportional to 5,179.93, 7,773.09 and 4,119.47

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Solution

The fourth proportional to 5,179.93, 7,773.09 and 4,119.47 is: 6,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.93 : 7,773.09 = 4,119.47 : x
  2. Step 2: Convert to fraction form
    5,179.93/7,773.09 = 4,119.47/x
  3. Step 3: Cross multiply
    5,179.93x = 7,773.09 × 4,119.47
  4. Step 4: Simplify right side
    5,179.93x = 32,020,975.62
  5. Step 5: Solve for x
    x = 32,020,975.62/5,179.93
  6. Step 6: Final answer
    x = 6,181.74

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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.