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Finding the Fourth Proportional to 2,888.92, 3,984.96 and 1,841.59

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Solution

The fourth proportional to 2,888.92, 3,984.96 and 1,841.59 is: 2,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.92 : 3,984.96 = 1,841.59 : x
  2. Step 2: Convert to fraction form
    2,888.92/3,984.96 = 1,841.59/x
  3. Step 3: Cross multiply
    2,888.92x = 3,984.96 × 1,841.59
  4. Step 4: Simplify right side
    2,888.92x = 7,338,662.49
  5. Step 5: Solve for x
    x = 7,338,662.49/2,888.92
  6. Step 6: Final answer
    x = 2,540.28

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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.