Home / 7,040.82-9,716.34-3,854.04

Finding the Fourth Proportional to 7,040.82, 9,716.34 and 3,854.04

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Solution

The fourth proportional to 7,040.82, 9,716.34 and 3,854.04 is: 5,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.82 : 9,716.34 = 3,854.04 : x
  2. Step 2: Convert to fraction form
    7,040.82/9,716.34 = 3,854.04/x
  3. Step 3: Cross multiply
    7,040.82x = 9,716.34 × 3,854.04
  4. Step 4: Simplify right side
    7,040.82x = 37,447,163.01
  5. Step 5: Solve for x
    x = 37,447,163.01/7,040.82
  6. Step 6: Final answer
    x = 5,318.58

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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.