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Finding the Fourth Proportional to 3,256.75, 4,494.29 and 1,764.66

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Solution

The fourth proportional to 3,256.75, 4,494.29 and 1,764.66 is: 2,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.75 : 4,494.29 = 1,764.66 : x
  2. Step 2: Convert to fraction form
    3,256.75/4,494.29 = 1,764.66/x
  3. Step 3: Cross multiply
    3,256.75x = 4,494.29 × 1,764.66
  4. Step 4: Simplify right side
    3,256.75x = 7,930,900.62
  5. Step 5: Solve for x
    x = 7,930,900.62/3,256.75
  6. Step 6: Final answer
    x = 2,435.22

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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.