Home / 5,201.30-7,173.15-4,315.70

Finding the Fourth Proportional to 5,201.30, 7,173.15 and 4,315.70

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Solution

The fourth proportional to 5,201.30, 7,173.15 and 4,315.70 is: 5,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.30 : 7,173.15 = 4,315.70 : x
  2. Step 2: Convert to fraction form
    5,201.30/7,173.15 = 4,315.70/x
  3. Step 3: Cross multiply
    5,201.30x = 7,173.15 × 4,315.70
  4. Step 4: Simplify right side
    5,201.30x = 30,957,163.46
  5. Step 5: Solve for x
    x = 30,957,163.46/5,201.30
  6. Step 6: Final answer
    x = 5,951.81

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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.