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Finding the Fourth Proportional to 3.64, 5.04 and 3.46

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Solution

The fourth proportional to 3.64, 5.04 and 3.46 is: 4.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.64 : 5.04 = 3.46 : x
  2. Step 2: Convert to fraction form
    3.64/5.04 = 3.46/x
  3. Step 3: Cross multiply
    3.64x = 5.04 × 3.46
  4. Step 4: Simplify right side
    3.64x = 17.44
  5. Step 5: Solve for x
    x = 17.44/3.64
  6. Step 6: Final answer
    x = 4.79

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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.