Home / 4,082.67-6,122.79-1,485

Finding the Fourth Proportional to 4,082.67, 6,122.79 and 1,485

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Solution

The fourth proportional to 4,082.67, 6,122.79 and 1,485 is: 2,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.67 : 6,122.79 = 1,485 : x
  2. Step 2: Convert to fraction form
    4,082.67/6,122.79 = 1,485/x
  3. Step 3: Cross multiply
    4,082.67x = 6,122.79 × 1,485
  4. Step 4: Simplify right side
    4,082.67x = 9,092,343.15
  5. Step 5: Solve for x
    x = 9,092,343.15/4,082.67
  6. Step 6: Final answer
    x = 2,227.06

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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.