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Finding the Fourth Proportional to 3,656.58, 5,483.65 and 1,190.73

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Solution

The fourth proportional to 3,656.58, 5,483.65 and 1,190.73 is: 1,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.58 : 5,483.65 = 1,190.73 : x
  2. Step 2: Convert to fraction form
    3,656.58/5,483.65 = 1,190.73/x
  3. Step 3: Cross multiply
    3,656.58x = 5,483.65 × 1,190.73
  4. Step 4: Simplify right side
    3,656.58x = 6,529,546.56
  5. Step 5: Solve for x
    x = 6,529,546.56/3,656.58
  6. Step 6: Final answer
    x = 1,785.70

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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.