Home / 6,082.81-9,140.70-3,311.53

Finding the Fourth Proportional to 6,082.81, 9,140.70 and 3,311.53

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Solution

The fourth proportional to 6,082.81, 9,140.70 and 3,311.53 is: 4,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.81 : 9,140.70 = 3,311.53 : x
  2. Step 2: Convert to fraction form
    6,082.81/9,140.70 = 3,311.53/x
  3. Step 3: Cross multiply
    6,082.81x = 9,140.70 × 3,311.53
  4. Step 4: Simplify right side
    6,082.81x = 30,269,702.27
  5. Step 5: Solve for x
    x = 30,269,702.27/6,082.81
  6. Step 6: Final answer
    x = 4,976.27

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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.