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Finding the Fourth Proportional to 3,808.56, 5,256.84 and 2,237.70

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Solution

The fourth proportional to 3,808.56, 5,256.84 and 2,237.70 is: 3,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.56 : 5,256.84 = 2,237.70 : x
  2. Step 2: Convert to fraction form
    3,808.56/5,256.84 = 2,237.70/x
  3. Step 3: Cross multiply
    3,808.56x = 5,256.84 × 2,237.70
  4. Step 4: Simplify right side
    3,808.56x = 11,763,230.87
  5. Step 5: Solve for x
    x = 11,763,230.87/3,808.56
  6. Step 6: Final answer
    x = 3,088.63

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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.