Home / 3,754.08-5,634.77-2,720.72

Finding the Fourth Proportional to 3,754.08, 5,634.77 and 2,720.72

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Solution

The fourth proportional to 3,754.08, 5,634.77 and 2,720.72 is: 4,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.08 : 5,634.77 = 2,720.72 : x
  2. Step 2: Convert to fraction form
    3,754.08/5,634.77 = 2,720.72/x
  3. Step 3: Cross multiply
    3,754.08x = 5,634.77 × 2,720.72
  4. Step 4: Simplify right side
    3,754.08x = 15,330,631.92
  5. Step 5: Solve for x
    x = 15,330,631.92/3,754.08
  6. Step 6: Final answer
    x = 4,083.73

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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.