Home / 4,699.15-6,481.97-3,105.81

Finding the Fourth Proportional to 4,699.15, 6,481.97 and 3,105.81

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Solution

The fourth proportional to 4,699.15, 6,481.97 and 3,105.81 is: 4,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.15 : 6,481.97 = 3,105.81 : x
  2. Step 2: Convert to fraction form
    4,699.15/6,481.97 = 3,105.81/x
  3. Step 3: Cross multiply
    4,699.15x = 6,481.97 × 3,105.81
  4. Step 4: Simplify right side
    4,699.15x = 20,131,767.25
  5. Step 5: Solve for x
    x = 20,131,767.25/4,699.15
  6. Step 6: Final answer
    x = 4,284.13

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1.5x scale

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.