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Finding the Fourth Proportional to 4.54, 6.26 and 4.00

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Solution

The fourth proportional to 4.54, 6.26 and 4.00 is: 5.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.54 : 6.26 = 4.00 : x
  2. Step 2: Convert to fraction form
    4.54/6.26 = 4.00/x
  3. Step 3: Cross multiply
    4.54x = 6.26 × 4.00
  4. Step 4: Simplify right side
    4.54x = 24.99
  5. Step 5: Solve for x
    x = 24.99/4.54
  6. Step 6: Final answer
    x = 5.51

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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.