Home / 4,181.72-6,273.54-1,408.32

Finding the Fourth Proportional to 4,181.72, 6,273.54 and 1,408.32

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Solution

The fourth proportional to 4,181.72, 6,273.54 and 1,408.32 is: 2,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.72 : 6,273.54 = 1,408.32 : x
  2. Step 2: Convert to fraction form
    4,181.72/6,273.54 = 1,408.32/x
  3. Step 3: Cross multiply
    4,181.72x = 6,273.54 × 1,408.32
  4. Step 4: Simplify right side
    4,181.72x = 8,835,151.85
  5. Step 5: Solve for x
    x = 8,835,151.85/4,181.72
  6. Step 6: Final answer
    x = 2,112.80

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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.