Home / 5,423.28-7,481.70-3,832.26

Finding the Fourth Proportional to 5,423.28, 7,481.70 and 3,832.26

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Solution

The fourth proportional to 5,423.28, 7,481.70 and 3,832.26 is: 5,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.28 : 7,481.70 = 3,832.26 : x
  2. Step 2: Convert to fraction form
    5,423.28/7,481.70 = 3,832.26/x
  3. Step 3: Cross multiply
    5,423.28x = 7,481.70 × 3,832.26
  4. Step 4: Simplify right side
    5,423.28x = 28,671,819.64
  5. Step 5: Solve for x
    x = 28,671,819.64/5,423.28
  6. Step 6: Final answer
    x = 5,286.80

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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.