Home / 7,629.30-11,444.58-2,082.69

Finding the Fourth Proportional to 7,629.30, 11,444.58 and 2,082.69

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Solution

The fourth proportional to 7,629.30, 11,444.58 and 2,082.69 is: 3,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.30 : 11,444.58 = 2,082.69 : x
  2. Step 2: Convert to fraction form
    7,629.30/11,444.58 = 2,082.69/x
  3. Step 3: Cross multiply
    7,629.30x = 11,444.58 × 2,082.69
  4. Step 4: Simplify right side
    7,629.30x = 23,835,512.32
  5. Step 5: Solve for x
    x = 23,835,512.32/7,629.30
  6. Step 6: Final answer
    x = 3,124.21

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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.