Home / 5,481.18-7,564.05-3,123.27

Finding the Fourth Proportional to 5,481.18, 7,564.05 and 3,123.27

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Solution

The fourth proportional to 5,481.18, 7,564.05 and 3,123.27 is: 4,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.18 : 7,564.05 = 3,123.27 : x
  2. Step 2: Convert to fraction form
    5,481.18/7,564.05 = 3,123.27/x
  3. Step 3: Cross multiply
    5,481.18x = 7,564.05 × 3,123.27
  4. Step 4: Simplify right side
    5,481.18x = 23,624,570.44
  5. Step 5: Solve for x
    x = 23,624,570.44/5,481.18
  6. Step 6: Final answer
    x = 4,310.12

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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.