Home / 3,237.18-4,850.42-3,115.80

Finding the Fourth Proportional to 3,237.18, 4,850.42 and 3,115.80

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Solution

The fourth proportional to 3,237.18, 4,850.42 and 3,115.80 is: 4,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.18 : 4,850.42 = 3,115.80 : x
  2. Step 2: Convert to fraction form
    3,237.18/4,850.42 = 3,115.80/x
  3. Step 3: Cross multiply
    3,237.18x = 4,850.42 × 3,115.80
  4. Step 4: Simplify right side
    3,237.18x = 15,112,923.06
  5. Step 5: Solve for x
    x = 15,112,923.06/3,237.18
  6. Step 6: Final answer
    x = 4,668.55

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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.