Home / 3,222.36-4,806.87-3,180.12

Finding the Fourth Proportional to 3,222.36, 4,806.87 and 3,180.12

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Solution

The fourth proportional to 3,222.36, 4,806.87 and 3,180.12 is: 4,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.36 : 4,806.87 = 3,180.12 : x
  2. Step 2: Convert to fraction form
    3,222.36/4,806.87 = 3,180.12/x
  3. Step 3: Cross multiply
    3,222.36x = 4,806.87 × 3,180.12
  4. Step 4: Simplify right side
    3,222.36x = 15,286,423.42
  5. Step 5: Solve for x
    x = 15,286,423.42/3,222.36
  6. Step 6: Final answer
    x = 4,743.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.