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Finding the Fourth Proportional to 2,795.69, 3,859.58 and 1,958.96

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Solution

The fourth proportional to 2,795.69, 3,859.58 and 1,958.96 is: 2,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.69 : 3,859.58 = 1,958.96 : x
  2. Step 2: Convert to fraction form
    2,795.69/3,859.58 = 1,958.96/x
  3. Step 3: Cross multiply
    2,795.69x = 3,859.58 × 1,958.96
  4. Step 4: Simplify right side
    2,795.69x = 7,560,762.84
  5. Step 5: Solve for x
    x = 7,560,762.84/2,795.69
  6. Step 6: Final answer
    x = 2,704.44

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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.