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Finding the Fourth Proportional to 3,334.98, 4,999.67 and 1,578.97

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Solution

The fourth proportional to 3,334.98, 4,999.67 and 1,578.97 is: 2,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.98 : 4,999.67 = 1,578.97 : x
  2. Step 2: Convert to fraction form
    3,334.98/4,999.67 = 1,578.97/x
  3. Step 3: Cross multiply
    3,334.98x = 4,999.67 × 1,578.97
  4. Step 4: Simplify right side
    3,334.98x = 7,894,328.94
  5. Step 5: Solve for x
    x = 7,894,328.94/3,334.98
  6. Step 6: Final answer
    x = 2,367.13

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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.