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Finding the Fourth Proportional to 4.36, 6 and 3.93

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Solution

The fourth proportional to 4.36, 6 and 3.93 is: 5.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.36 : 6 = 3.93 : x
  2. Step 2: Convert to fraction form
    4.36/6 = 3.93/x
  3. Step 3: Cross multiply
    4.36x = 6 × 3.93
  4. Step 4: Simplify right side
    4.36x = 23.58
  5. Step 5: Solve for x
    x = 23.58/4.36
  6. Step 6: Final answer
    x = 5.41

Related Problems

Find fourth proportional to 2.18, 3 and 1.97
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Double scale
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Similar ratio
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1.5x scale

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.