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Finding the Fourth Proportional to 5.90, 8.84 and 4.39

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Solution

The fourth proportional to 5.90, 8.84 and 4.39 is: 6.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.90 : 8.84 = 4.39 : x
  2. Step 2: Convert to fraction form
    5.90/8.84 = 4.39/x
  3. Step 3: Cross multiply
    5.90x = 8.84 × 4.39
  4. Step 4: Simplify right side
    5.90x = 38.79
  5. Step 5: Solve for x
    x = 38.79/5.90
  6. Step 6: Final answer
    x = 6.58

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