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Finding the Fourth Proportional to 3,953.59, 5,930.31 and 1,180.27

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Solution

The fourth proportional to 3,953.59, 5,930.31 and 1,180.27 is: 1,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.59 : 5,930.31 = 1,180.27 : x
  2. Step 2: Convert to fraction form
    3,953.59/5,930.31 = 1,180.27/x
  3. Step 3: Cross multiply
    3,953.59x = 5,930.31 × 1,180.27
  4. Step 4: Simplify right side
    3,953.59x = 6,999,366.98
  5. Step 5: Solve for x
    x = 6,999,366.98/3,953.59
  6. Step 6: Final answer
    x = 1,770.38

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Similar ratio
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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.