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Finding the Fourth Proportional to 5.82, 8.74 and 4.34

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Solution

The fourth proportional to 5.82, 8.74 and 4.34 is: 6.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.82 : 8.74 = 4.34 : x
  2. Step 2: Convert to fraction form
    5.82/8.74 = 4.34/x
  3. Step 3: Cross multiply
    5.82x = 8.74 × 4.34
  4. Step 4: Simplify right side
    5.82x = 37.90
  5. Step 5: Solve for x
    x = 37.90/5.82
  6. Step 6: Final answer
    x = 6.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.