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Finding the Fourth Proportional to 2,927.22, 4,390.82 and 1,194.63

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Solution

The fourth proportional to 2,927.22, 4,390.82 and 1,194.63 is: 1,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.22 : 4,390.82 = 1,194.63 : x
  2. Step 2: Convert to fraction form
    2,927.22/4,390.82 = 1,194.63/x
  3. Step 3: Cross multiply
    2,927.22x = 4,390.82 × 1,194.63
  4. Step 4: Simplify right side
    2,927.22x = 5,245,405.30
  5. Step 5: Solve for x
    x = 5,245,405.30/2,927.22
  6. Step 6: Final answer
    x = 1,791.94

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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.