Home / 4,122.56-6,183.75-1,002.58

Finding the Fourth Proportional to 4,122.56, 6,183.75 and 1,002.58

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Solution

The fourth proportional to 4,122.56, 6,183.75 and 1,002.58 is: 1,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.56 : 6,183.75 = 1,002.58 : x
  2. Step 2: Convert to fraction form
    4,122.56/6,183.75 = 1,002.58/x
  3. Step 3: Cross multiply
    4,122.56x = 6,183.75 × 1,002.58
  4. Step 4: Simplify right side
    4,122.56x = 6,199,704.08
  5. Step 5: Solve for x
    x = 6,199,704.08/4,122.56
  6. Step 6: Final answer
    x = 1,503.85

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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.