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Finding the Fourth Proportional to 4.34, 6 and 2.98

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Solution

The fourth proportional to 4.34, 6 and 2.98 is: 4.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.34 : 6 = 2.98 : x
  2. Step 2: Convert to fraction form
    4.34/6 = 2.98/x
  3. Step 3: Cross multiply
    4.34x = 6 × 2.98
  4. Step 4: Simplify right side
    4.34x = 17.88
  5. Step 5: Solve for x
    x = 17.88/4.34
  6. Step 6: Final answer
    x = 4.12

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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.