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Finding the Fourth Proportional to 3,726.46, 5,590.74 and 3,039.62

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Solution

The fourth proportional to 3,726.46, 5,590.74 and 3,039.62 is: 4,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.46 : 5,590.74 = 3,039.62 : x
  2. Step 2: Convert to fraction form
    3,726.46/5,590.74 = 3,039.62/x
  3. Step 3: Cross multiply
    3,726.46x = 5,590.74 × 3,039.62
  4. Step 4: Simplify right side
    3,726.46x = 16,993,725.12
  5. Step 5: Solve for x
    x = 16,993,725.12/3,726.46
  6. Step 6: Final answer
    x = 4,560.29

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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.