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Finding the Fourth Proportional to 4.61, 6.37 and 4.04

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Solution

The fourth proportional to 4.61, 6.37 and 4.04 is: 5.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.61 : 6.37 = 4.04 : x
  2. Step 2: Convert to fraction form
    4.61/6.37 = 4.04/x
  3. Step 3: Cross multiply
    4.61x = 6.37 × 4.04
  4. Step 4: Simplify right side
    4.61x = 25.72
  5. Step 5: Solve for x
    x = 25.72/4.61
  6. Step 6: Final answer
    x = 5.58

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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.