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Finding the Fourth Proportional to 3.02, 4.16 and 2.00

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Solution

The fourth proportional to 3.02, 4.16 and 2.00 is: 2.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.02 : 4.16 = 2.00 : x
  2. Step 2: Convert to fraction form
    3.02/4.16 = 2.00/x
  3. Step 3: Cross multiply
    3.02x = 4.16 × 2.00
  4. Step 4: Simplify right side
    3.02x = 8.31
  5. Step 5: Solve for x
    x = 8.31/3.02
  6. Step 6: Final answer
    x = 2.75

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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.