Home / 2,725.11-4,087.67-2,180.76

Finding the Fourth Proportional to 2,725.11, 4,087.67 and 2,180.76

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Solution

The fourth proportional to 2,725.11, 4,087.67 and 2,180.76 is: 3,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.11 : 4,087.67 = 2,180.76 : x
  2. Step 2: Convert to fraction form
    2,725.11/4,087.67 = 2,180.76/x
  3. Step 3: Cross multiply
    2,725.11x = 4,087.67 × 2,180.76
  4. Step 4: Simplify right side
    2,725.11x = 8,914,216.33
  5. Step 5: Solve for x
    x = 8,914,216.33/2,725.11
  6. Step 6: Final answer
    x = 3,271.14

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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.