Home / 7,251.23-10,879.02-4,171.07

Finding the Fourth Proportional to 7,251.23, 10,879.02 and 4,171.07

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Solution

The fourth proportional to 7,251.23, 10,879.02 and 4,171.07 is: 6,257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.23 : 10,879.02 = 4,171.07 : x
  2. Step 2: Convert to fraction form
    7,251.23/10,879.02 = 4,171.07/x
  3. Step 3: Cross multiply
    7,251.23x = 10,879.02 × 4,171.07
  4. Step 4: Simplify right side
    7,251.23x = 45,377,153.95
  5. Step 5: Solve for x
    x = 45,377,153.95/7,251.23
  6. Step 6: Final answer
    x = 6,257.86

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1.5x scale

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.