Home / 7,629.29-11,443.48-2,082.81

Finding the Fourth Proportional to 7,629.29, 11,443.48 and 2,082.81

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Solution

The fourth proportional to 7,629.29, 11,443.48 and 2,082.81 is: 3,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.29 : 11,443.48 = 2,082.81 : x
  2. Step 2: Convert to fraction form
    7,629.29/11,443.48 = 2,082.81/x
  3. Step 3: Cross multiply
    7,629.29x = 11,443.48 × 2,082.81
  4. Step 4: Simplify right side
    7,629.29x = 23,834,632.28
  5. Step 5: Solve for x
    x = 23,834,632.28/7,629.29
  6. Step 6: Final answer
    x = 3,124.10

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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.