Home / 7,063.26-9,747.28-3,919.46

Finding the Fourth Proportional to 7,063.26, 9,747.28 and 3,919.46

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Solution

The fourth proportional to 7,063.26, 9,747.28 and 3,919.46 is: 5,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.26 : 9,747.28 = 3,919.46 : x
  2. Step 2: Convert to fraction form
    7,063.26/9,747.28 = 3,919.46/x
  3. Step 3: Cross multiply
    7,063.26x = 9,747.28 × 3,919.46
  4. Step 4: Simplify right side
    7,063.26x = 38,204,074.07
  5. Step 5: Solve for x
    x = 38,204,074.07/7,063.26
  6. Step 6: Final answer
    x = 5,408.84

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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.