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Finding the Fourth Proportional to 3,659.64, 5,488.91 and 1,194.45

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Solution

The fourth proportional to 3,659.64, 5,488.91 and 1,194.45 is: 1,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.64 : 5,488.91 = 1,194.45 : x
  2. Step 2: Convert to fraction form
    3,659.64/5,488.91 = 1,194.45/x
  3. Step 3: Cross multiply
    3,659.64x = 5,488.91 × 1,194.45
  4. Step 4: Simplify right side
    3,659.64x = 6,556,222.58
  5. Step 5: Solve for x
    x = 6,556,222.58/3,659.64
  6. Step 6: Final answer
    x = 1,791.49

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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.