Home / 5,045.45-7,563.56-2,123.96

Finding the Fourth Proportional to 5,045.45, 7,563.56 and 2,123.96

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Solution

The fourth proportional to 5,045.45, 7,563.56 and 2,123.96 is: 3,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.45 : 7,563.56 = 2,123.96 : x
  2. Step 2: Convert to fraction form
    5,045.45/7,563.56 = 2,123.96/x
  3. Step 3: Cross multiply
    5,045.45x = 7,563.56 × 2,123.96
  4. Step 4: Simplify right side
    5,045.45x = 16,064,650.46
  5. Step 5: Solve for x
    x = 16,064,650.46/5,045.45
  6. Step 6: Final answer
    x = 3,183.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.