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Finding the Fourth Proportional to 4.31, 5.94 and 2.95

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Solution

The fourth proportional to 4.31, 5.94 and 2.95 is: 4.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.31 : 5.94 = 2.95 : x
  2. Step 2: Convert to fraction form
    4.31/5.94 = 2.95/x
  3. Step 3: Cross multiply
    4.31x = 5.94 × 2.95
  4. Step 4: Simplify right side
    4.31x = 17.49
  5. Step 5: Solve for x
    x = 17.49/4.31
  6. Step 6: Final answer
    x = 4.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.