Home / 5,481.48-7,563.90-3,123.48

Finding the Fourth Proportional to 5,481.48, 7,563.90 and 3,123.48

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Solution

The fourth proportional to 5,481.48, 7,563.90 and 3,123.48 is: 4,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.48 : 7,563.90 = 3,123.48 : x
  2. Step 2: Convert to fraction form
    5,481.48/7,563.90 = 3,123.48/x
  3. Step 3: Cross multiply
    5,481.48x = 7,563.90 × 3,123.48
  4. Step 4: Simplify right side
    5,481.48x = 23,625,690.37
  5. Step 5: Solve for x
    x = 23,625,690.37/5,481.48
  6. Step 6: Final answer
    x = 4,310.09

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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.