Home / 3,310.75-4,568.88-2,131.93

Finding the Fourth Proportional to 3,310.75, 4,568.88 and 2,131.93

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Solution

The fourth proportional to 3,310.75, 4,568.88 and 2,131.93 is: 2,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.75 : 4,568.88 = 2,131.93 : x
  2. Step 2: Convert to fraction form
    3,310.75/4,568.88 = 2,131.93/x
  3. Step 3: Cross multiply
    3,310.75x = 4,568.88 × 2,131.93
  4. Step 4: Simplify right side
    3,310.75x = 9,740,532.34
  5. Step 5: Solve for x
    x = 9,740,532.34/3,310.75
  6. Step 6: Final answer
    x = 2,942.09

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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.