Home / 6,082.70-9,120.00-2,186.60

Finding the Fourth Proportional to 6,082.70, 9,120.00 and 2,186.60

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Solution

The fourth proportional to 6,082.70, 9,120.00 and 2,186.60 is: 3,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.70 : 9,120.00 = 2,186.60 : x
  2. Step 2: Convert to fraction form
    6,082.70/9,120.00 = 2,186.60/x
  3. Step 3: Cross multiply
    6,082.70x = 9,120.00 × 2,186.60
  4. Step 4: Simplify right side
    6,082.70x = 19,941,758.27
  5. Step 5: Solve for x
    x = 19,941,758.27/6,082.70
  6. Step 6: Final answer
    x = 3,278.44

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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.