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Finding the Fourth Proportional to 3,092.88, 4,639.34 and 1,040.88

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Solution

The fourth proportional to 3,092.88, 4,639.34 and 1,040.88 is: 1,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.88 : 4,639.34 = 1,040.88 : x
  2. Step 2: Convert to fraction form
    3,092.88/4,639.34 = 1,040.88/x
  3. Step 3: Cross multiply
    3,092.88x = 4,639.34 × 1,040.88
  4. Step 4: Simplify right side
    3,092.88x = 4,828,996.22
  5. Step 5: Solve for x
    x = 4,828,996.22/3,092.88
  6. Step 6: Final answer
    x = 1,561.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.