Home / 7,276.77-10,914.82-2,082.65

Finding the Fourth Proportional to 7,276.77, 10,914.82 and 2,082.65

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Solution

The fourth proportional to 7,276.77, 10,914.82 and 2,082.65 is: 3,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.77 : 10,914.82 = 2,082.65 : x
  2. Step 2: Convert to fraction form
    7,276.77/10,914.82 = 2,082.65/x
  3. Step 3: Cross multiply
    7,276.77x = 10,914.82 × 2,082.65
  4. Step 4: Simplify right side
    7,276.77x = 22,731,690.09
  5. Step 5: Solve for x
    x = 22,731,690.09/7,276.77
  6. Step 6: Final answer
    x = 3,123.87

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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.