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Finding the Fourth Proportional to 2,884.29, 3,979.73 and 1,835.97

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Solution

The fourth proportional to 2,884.29, 3,979.73 and 1,835.97 is: 2,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.29 : 3,979.73 = 1,835.97 : x
  2. Step 2: Convert to fraction form
    2,884.29/3,979.73 = 1,835.97/x
  3. Step 3: Cross multiply
    2,884.29x = 3,979.73 × 1,835.97
  4. Step 4: Simplify right side
    2,884.29x = 7,306,655.71
  5. Step 5: Solve for x
    x = 7,306,655.71/2,884.29
  6. Step 6: Final answer
    x = 2,533.26

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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.