Home / 5,481.14-7,563.98-3,123.29

Finding the Fourth Proportional to 5,481.14, 7,563.98 and 3,123.29

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Solution

The fourth proportional to 5,481.14, 7,563.98 and 3,123.29 is: 4,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.14 : 7,563.98 = 3,123.29 : x
  2. Step 2: Convert to fraction form
    5,481.14/7,563.98 = 3,123.29/x
  3. Step 3: Cross multiply
    5,481.14x = 7,563.98 × 3,123.29
  4. Step 4: Simplify right side
    5,481.14x = 23,624,529.81
  5. Step 5: Solve for x
    x = 23,624,529.81/5,481.14
  6. Step 6: Final answer
    x = 4,310.15

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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.