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Finding the Fourth Proportional to 4.51, 6.19 and 4.24

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Solution

The fourth proportional to 4.51, 6.19 and 4.24 is: 5.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.51 : 6.19 = 4.24 : x
  2. Step 2: Convert to fraction form
    4.51/6.19 = 4.24/x
  3. Step 3: Cross multiply
    4.51x = 6.19 × 4.24
  4. Step 4: Simplify right side
    4.51x = 26.19
  5. Step 5: Solve for x
    x = 26.19/4.51
  6. Step 6: Final answer
    x = 5.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.