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Finding the Fourth Proportional to 5,700.85, 7,867.09 and 3,183.00

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Solution

The fourth proportional to 5,700.85, 7,867.09 and 3,183.00 is: 4,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.85 : 7,867.09 = 3,183.00 : x
  2. Step 2: Convert to fraction form
    5,700.85/7,867.09 = 3,183.00/x
  3. Step 3: Cross multiply
    5,700.85x = 7,867.09 × 3,183.00
  4. Step 4: Simplify right side
    5,700.85x = 25,040,908.52
  5. Step 5: Solve for x
    x = 25,040,908.52/5,700.85
  6. Step 6: Final answer
    x = 4,392.49

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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.