Home / 5,105.26-7,661.54-2,510.02

Finding the Fourth Proportional to 5,105.26, 7,661.54 and 2,510.02

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Solution

The fourth proportional to 5,105.26, 7,661.54 and 2,510.02 is: 3,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.26 : 7,661.54 = 2,510.02 : x
  2. Step 2: Convert to fraction form
    5,105.26/7,661.54 = 2,510.02/x
  3. Step 3: Cross multiply
    5,105.26x = 7,661.54 × 2,510.02
  4. Step 4: Simplify right side
    5,105.26x = 19,230,618.63
  5. Step 5: Solve for x
    x = 19,230,618.63/5,105.26
  6. Step 6: Final answer
    x = 3,766.82

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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.