Home / 5,029.02-7,538.67-2,105.73

Finding the Fourth Proportional to 5,029.02, 7,538.67 and 2,105.73

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Solution

The fourth proportional to 5,029.02, 7,538.67 and 2,105.73 is: 3,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.02 : 7,538.67 = 2,105.73 : x
  2. Step 2: Convert to fraction form
    5,029.02/7,538.67 = 2,105.73/x
  3. Step 3: Cross multiply
    5,029.02x = 7,538.67 × 2,105.73
  4. Step 4: Simplify right side
    5,029.02x = 15,874,403.58
  5. Step 5: Solve for x
    x = 15,874,403.58/5,029.02
  6. Step 6: Final answer
    x = 3,156.56

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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.