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Finding the Fourth Proportional to 2,858.09, 3,944.09 and 1,599.14

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Solution

The fourth proportional to 2,858.09, 3,944.09 and 1,599.14 is: 2,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.09 : 3,944.09 = 1,599.14 : x
  2. Step 2: Convert to fraction form
    2,858.09/3,944.09 = 1,599.14/x
  3. Step 3: Cross multiply
    2,858.09x = 3,944.09 × 1,599.14
  4. Step 4: Simplify right side
    2,858.09x = 6,307,165.94
  5. Step 5: Solve for x
    x = 6,307,165.94/2,858.09
  6. Step 6: Final answer
    x = 2,206.78

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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.