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Finding the Fourth Proportional to 6.07, 8.35 and 5.74

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Solution

The fourth proportional to 6.07, 8.35 and 5.74 is: 7.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.07 : 8.35 = 5.74 : x
  2. Step 2: Convert to fraction form
    6.07/8.35 = 5.74/x
  3. Step 3: Cross multiply
    6.07x = 8.35 × 5.74
  4. Step 4: Simplify right side
    6.07x = 47.93
  5. Step 5: Solve for x
    x = 47.93/6.07
  6. Step 6: Final answer
    x = 7.90

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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.