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Finding the Fourth Proportional to 3,651.91, 5,039.95 and 2,058.87

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Solution

The fourth proportional to 3,651.91, 5,039.95 and 2,058.87 is: 2,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.91 : 5,039.95 = 2,058.87 : x
  2. Step 2: Convert to fraction form
    3,651.91/5,039.95 = 2,058.87/x
  3. Step 3: Cross multiply
    3,651.91x = 5,039.95 × 2,058.87
  4. Step 4: Simplify right side
    3,651.91x = 10,376,585.33
  5. Step 5: Solve for x
    x = 10,376,585.33/3,651.91
  6. Step 6: Final answer
    x = 2,841.41

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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.