Home / 6,919.82-9,549.46-3,776.02

Finding the Fourth Proportional to 6,919.82, 9,549.46 and 3,776.02

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Solution

The fourth proportional to 6,919.82, 9,549.46 and 3,776.02 is: 5,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.82 : 9,549.46 = 3,776.02 : x
  2. Step 2: Convert to fraction form
    6,919.82/9,549.46 = 3,776.02/x
  3. Step 3: Cross multiply
    6,919.82x = 9,549.46 × 3,776.02
  4. Step 4: Simplify right side
    6,919.82x = 36,058,951.95
  5. Step 5: Solve for x
    x = 36,058,951.95/6,919.82
  6. Step 6: Final answer
    x = 5,210.97

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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.