Home / 3,183.18-4,394.76-2,851.02

Finding the Fourth Proportional to 3,183.18, 4,394.76 and 2,851.02

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Solution

The fourth proportional to 3,183.18, 4,394.76 and 2,851.02 is: 3,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.18 : 4,394.76 = 2,851.02 : x
  2. Step 2: Convert to fraction form
    3,183.18/4,394.76 = 2,851.02/x
  3. Step 3: Cross multiply
    3,183.18x = 4,394.76 × 2,851.02
  4. Step 4: Simplify right side
    3,183.18x = 12,529,548.66
  5. Step 5: Solve for x
    x = 12,529,548.66/3,183.18
  6. Step 6: Final answer
    x = 3,936.17

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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.