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Finding the Fourth Proportional to 4.35, 6 and 4.17

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Solution

The fourth proportional to 4.35, 6 and 4.17 is: 5.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.35 : 6 = 4.17 : x
  2. Step 2: Convert to fraction form
    4.35/6 = 4.17/x
  3. Step 3: Cross multiply
    4.35x = 6 × 4.17
  4. Step 4: Simplify right side
    4.35x = 25.02
  5. Step 5: Solve for x
    x = 25.02/4.35
  6. Step 6: Final answer
    x = 5.75

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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.