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Finding the Fourth Proportional to 3,843.95, 5,768.16 and 1,503.83

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Solution

The fourth proportional to 3,843.95, 5,768.16 and 1,503.83 is: 2,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.95 : 5,768.16 = 1,503.83 : x
  2. Step 2: Convert to fraction form
    3,843.95/5,768.16 = 1,503.83/x
  3. Step 3: Cross multiply
    3,843.95x = 5,768.16 × 1,503.83
  4. Step 4: Simplify right side
    3,843.95x = 8,674,340.83
  5. Step 5: Solve for x
    x = 8,674,340.83/3,843.95
  6. Step 6: Final answer
    x = 2,256.62

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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.