Home / 2,082.23-2,873.51-1,138.04

Finding the Fourth Proportional to 2,082.23, 2,873.51 and 1,138.04

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Solution

The fourth proportional to 2,082.23, 2,873.51 and 1,138.04 is: 1,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.23 : 2,873.51 = 1,138.04 : x
  2. Step 2: Convert to fraction form
    2,082.23/2,873.51 = 1,138.04/x
  3. Step 3: Cross multiply
    2,082.23x = 2,873.51 × 1,138.04
  4. Step 4: Simplify right side
    2,082.23x = 3,270,163.63
  5. Step 5: Solve for x
    x = 3,270,163.63/2,082.23
  6. Step 6: Final answer
    x = 1,570.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.