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Finding the Fourth Proportional to 3.95, 5.94 and 3.74

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Solution

The fourth proportional to 3.95, 5.94 and 3.74 is: 5.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.95 : 5.94 = 3.74 : x
  2. Step 2: Convert to fraction form
    3.95/5.94 = 3.74/x
  3. Step 3: Cross multiply
    3.95x = 5.94 × 3.74
  4. Step 4: Simplify right side
    3.95x = 22.19
  5. Step 5: Solve for x
    x = 22.19/3.95
  6. Step 6: Final answer
    x = 5.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.