Home / 7,481.73-10,324.35-4,123.88

Finding the Fourth Proportional to 7,481.73, 10,324.35 and 4,123.88

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Solution

The fourth proportional to 7,481.73, 10,324.35 and 4,123.88 is: 5,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.73 : 10,324.35 = 4,123.88 : x
  2. Step 2: Convert to fraction form
    7,481.73/10,324.35 = 4,123.88/x
  3. Step 3: Cross multiply
    7,481.73x = 10,324.35 × 4,123.88
  4. Step 4: Simplify right side
    7,481.73x = 42,576,328.86
  5. Step 5: Solve for x
    x = 42,576,328.86/7,481.73
  6. Step 6: Final answer
    x = 5,690.71

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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.