Home / 6,765.10-10,123.62-4,131.79

Finding the Fourth Proportional to 6,765.10, 10,123.62 and 4,131.79

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Solution

The fourth proportional to 6,765.10, 10,123.62 and 4,131.79 is: 6,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.10 : 10,123.62 = 4,131.79 : x
  2. Step 2: Convert to fraction form
    6,765.10/10,123.62 = 4,131.79/x
  3. Step 3: Cross multiply
    6,765.10x = 10,123.62 × 4,131.79
  4. Step 4: Simplify right side
    6,765.10x = 41,828,671.88
  5. Step 5: Solve for x
    x = 41,828,671.88/6,765.10
  6. Step 6: Final answer
    x = 6,183.01

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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.