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Finding the Fourth Proportional to 5, 7.46 and 4.96

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Solution

The fourth proportional to 5, 7.46 and 4.96 is: 7.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5 : 7.46 = 4.96 : x
  2. Step 2: Convert to fraction form
    5/7.46 = 4.96/x
  3. Step 3: Cross multiply
    5x = 7.46 × 4.96
  4. Step 4: Simplify right side
    5x = 37.00
  5. Step 5: Solve for x
    x = 37.00/5
  6. Step 6: Final answer
    x = 7.40

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Find fourth proportional to 2.50, 3.73 and 2.48
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.