Home / 4,082.23-6,120.26-2,105.74

Finding the Fourth Proportional to 4,082.23, 6,120.26 and 2,105.74

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Solution

The fourth proportional to 4,082.23, 6,120.26 and 2,105.74 is: 3,157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.23 : 6,120.26 = 2,105.74 : x
  2. Step 2: Convert to fraction form
    4,082.23/6,120.26 = 2,105.74/x
  3. Step 3: Cross multiply
    4,082.23x = 6,120.26 × 2,105.74
  4. Step 4: Simplify right side
    4,082.23x = 12,887,635.16
  5. Step 5: Solve for x
    x = 12,887,635.16/4,082.23
  6. Step 6: Final answer
    x = 3,157.01

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1.5x scale

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.