Home / 6,631.16-9,144.05-4,949.87

Finding the Fourth Proportional to 6,631.16, 9,144.05 and 4,949.87

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Solution

The fourth proportional to 6,631.16, 9,144.05 and 4,949.87 is: 6,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.16 : 9,144.05 = 4,949.87 : x
  2. Step 2: Convert to fraction form
    6,631.16/9,144.05 = 4,949.87/x
  3. Step 3: Cross multiply
    6,631.16x = 9,144.05 × 4,949.87
  4. Step 4: Simplify right side
    6,631.16x = 45,261,788.30
  5. Step 5: Solve for x
    x = 45,261,788.30/6,631.16
  6. Step 6: Final answer
    x = 6,825.63

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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.