Home / 6,929.91-9,563.40-3,786.03

Finding the Fourth Proportional to 6,929.91, 9,563.40 and 3,786.03

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Solution

The fourth proportional to 6,929.91, 9,563.40 and 3,786.03 is: 5,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.91 : 9,563.40 = 3,786.03 : x
  2. Step 2: Convert to fraction form
    6,929.91/9,563.40 = 3,786.03/x
  3. Step 3: Cross multiply
    6,929.91x = 9,563.40 × 3,786.03
  4. Step 4: Simplify right side
    6,929.91x = 36,207,319.30
  5. Step 5: Solve for x
    x = 36,207,319.30/6,929.91
  6. Step 6: Final answer
    x = 5,224.79

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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.