Home / 3,680.01-5,511.24-2,115.23

Finding the Fourth Proportional to 3,680.01, 5,511.24 and 2,115.23

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Solution

The fourth proportional to 3,680.01, 5,511.24 and 2,115.23 is: 3,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.01 : 5,511.24 = 2,115.23 : x
  2. Step 2: Convert to fraction form
    3,680.01/5,511.24 = 2,115.23/x
  3. Step 3: Cross multiply
    3,680.01x = 5,511.24 × 2,115.23
  4. Step 4: Simplify right side
    3,680.01x = 11,657,512.63
  5. Step 5: Solve for x
    x = 11,657,512.63/3,680.01
  6. Step 6: Final answer
    x = 3,167.79

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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.