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Finding the Fourth Proportional to 3,791.94, 5,690.94 and 1,602.17

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Solution

The fourth proportional to 3,791.94, 5,690.94 and 1,602.17 is: 2,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.94 : 5,690.94 = 1,602.17 : x
  2. Step 2: Convert to fraction form
    3,791.94/5,690.94 = 1,602.17/x
  3. Step 3: Cross multiply
    3,791.94x = 5,690.94 × 1,602.17
  4. Step 4: Simplify right side
    3,791.94x = 9,117,853.34
  5. Step 5: Solve for x
    x = 9,117,853.34/3,791.94
  6. Step 6: Final answer
    x = 2,404.54

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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.