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Finding the Fourth Proportional to 5,081.79, 7,013 and 2,844.05

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Solution

The fourth proportional to 5,081.79, 7,013 and 2,844.05 is: 3,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.79 : 7,013 = 2,844.05 : x
  2. Step 2: Convert to fraction form
    5,081.79/7,013 = 2,844.05/x
  3. Step 3: Cross multiply
    5,081.79x = 7,013 × 2,844.05
  4. Step 4: Simplify right side
    5,081.79x = 19,945,322.65
  5. Step 5: Solve for x
    x = 19,945,322.65/5,081.79
  6. Step 6: Final answer
    x = 3,924.86

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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.