Home / 5,083.07-7,629.42-2,619.59

Finding the Fourth Proportional to 5,083.07, 7,629.42 and 2,619.59

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Solution

The fourth proportional to 5,083.07, 7,629.42 and 2,619.59 is: 3,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.07 : 7,629.42 = 2,619.59 : x
  2. Step 2: Convert to fraction form
    5,083.07/7,629.42 = 2,619.59/x
  3. Step 3: Cross multiply
    5,083.07x = 7,629.42 × 2,619.59
  4. Step 4: Simplify right side
    5,083.07x = 19,985,952.34
  5. Step 5: Solve for x
    x = 19,985,952.34/5,083.07
  6. Step 6: Final answer
    x = 3,931.87

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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.