Home / 5,217.72-7,196.88-3,331.68

Finding the Fourth Proportional to 5,217.72, 7,196.88 and 3,331.68

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Solution

The fourth proportional to 5,217.72, 7,196.88 and 3,331.68 is: 4,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.72 : 7,196.88 = 3,331.68 : x
  2. Step 2: Convert to fraction form
    5,217.72/7,196.88 = 3,331.68/x
  3. Step 3: Cross multiply
    5,217.72x = 7,196.88 × 3,331.68
  4. Step 4: Simplify right side
    5,217.72x = 23,977,701.16
  5. Step 5: Solve for x
    x = 23,977,701.16/5,217.72
  6. Step 6: Final answer
    x = 4,595.44

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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.