Home / 6,272.91-8,656.74-3,620.46

Finding the Fourth Proportional to 6,272.91, 8,656.74 and 3,620.46

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Solution

The fourth proportional to 6,272.91, 8,656.74 and 3,620.46 is: 4,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.91 : 8,656.74 = 3,620.46 : x
  2. Step 2: Convert to fraction form
    6,272.91/8,656.74 = 3,620.46/x
  3. Step 3: Cross multiply
    6,272.91x = 8,656.74 × 3,620.46
  4. Step 4: Simplify right side
    6,272.91x = 31,341,380.90
  5. Step 5: Solve for x
    x = 31,341,380.90/6,272.91
  6. Step 6: Final answer
    x = 4,996.31

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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.