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Finding the Fourth Proportional to 4.34, 6.51 and 3.07

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Solution

The fourth proportional to 4.34, 6.51 and 3.07 is: 4.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.34 : 6.51 = 3.07 : x
  2. Step 2: Convert to fraction form
    4.34/6.51 = 3.07/x
  3. Step 3: Cross multiply
    4.34x = 6.51 × 3.07
  4. Step 4: Simplify right side
    4.34x = 19.97
  5. Step 5: Solve for x
    x = 19.97/4.34
  6. Step 6: Final answer
    x = 4.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.