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Finding the Fourth Proportional to 4.04, 5.58 and 3.64

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Solution

The fourth proportional to 4.04, 5.58 and 3.64 is: 5.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.04 : 5.58 = 3.64 : x
  2. Step 2: Convert to fraction form
    4.04/5.58 = 3.64/x
  3. Step 3: Cross multiply
    4.04x = 5.58 × 3.64
  4. Step 4: Simplify right side
    4.04x = 20.30
  5. Step 5: Solve for x
    x = 20.30/4.04
  6. Step 6: Final answer
    x = 5.02

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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.