Home / 4,183.12-6,270.96-1,587.88

Finding the Fourth Proportional to 4,183.12, 6,270.96 and 1,587.88

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Solution

The fourth proportional to 4,183.12, 6,270.96 and 1,587.88 is: 2,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.12 : 6,270.96 = 1,587.88 : x
  2. Step 2: Convert to fraction form
    4,183.12/6,270.96 = 1,587.88/x
  3. Step 3: Cross multiply
    4,183.12x = 6,270.96 × 1,587.88
  4. Step 4: Simplify right side
    4,183.12x = 9,957,533.85
  5. Step 5: Solve for x
    x = 9,957,533.85/4,183.12
  6. Step 6: Final answer
    x = 2,380.41

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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.