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Finding the Fourth Proportional to 4.10, 5.65 and 2.48

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Solution

The fourth proportional to 4.10, 5.65 and 2.48 is: 3.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.10 : 5.65 = 2.48 : x
  2. Step 2: Convert to fraction form
    4.10/5.65 = 2.48/x
  3. Step 3: Cross multiply
    4.10x = 5.65 × 2.48
  4. Step 4: Simplify right side
    4.10x = 13.98
  5. Step 5: Solve for x
    x = 13.98/4.10
  6. Step 6: Final answer
    x = 3.41

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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.