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Finding the Fourth Proportional to 5.35, 7.37 and 4.32

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Solution

The fourth proportional to 5.35, 7.37 and 4.32 is: 5.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.35 : 7.37 = 4.32 : x
  2. Step 2: Convert to fraction form
    5.35/7.37 = 4.32/x
  3. Step 3: Cross multiply
    5.35x = 7.37 × 4.32
  4. Step 4: Simplify right side
    5.35x = 31.85
  5. Step 5: Solve for x
    x = 31.85/5.35
  6. Step 6: Final answer
    x = 5.96

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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.