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Finding the Fourth Proportional to 4.37, 6.02 and 3.98

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Solution

The fourth proportional to 4.37, 6.02 and 3.98 is: 5.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.37 : 6.02 = 3.98 : x
  2. Step 2: Convert to fraction form
    4.37/6.02 = 3.98/x
  3. Step 3: Cross multiply
    4.37x = 6.02 × 3.98
  4. Step 4: Simplify right side
    4.37x = 23.98
  5. Step 5: Solve for x
    x = 23.98/4.37
  6. Step 6: Final answer
    x = 5.49

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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.