Home / 7,063.43-9,747.54-3,919.61

Finding the Fourth Proportional to 7,063.43, 9,747.54 and 3,919.61

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Solution

The fourth proportional to 7,063.43, 9,747.54 and 3,919.61 is: 5,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.43 : 9,747.54 = 3,919.61 : x
  2. Step 2: Convert to fraction form
    7,063.43/9,747.54 = 3,919.61/x
  3. Step 3: Cross multiply
    7,063.43x = 9,747.54 × 3,919.61
  4. Step 4: Simplify right side
    7,063.43x = 38,206,579.63
  5. Step 5: Solve for x
    x = 38,206,579.63/7,063.43
  6. Step 6: Final answer
    x = 5,409.07

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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.