Home / 6,272.58-8,656.56-3,620.46

Finding the Fourth Proportional to 6,272.58, 8,656.56 and 3,620.46

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Solution

The fourth proportional to 6,272.58, 8,656.56 and 3,620.46 is: 4,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.58 : 8,656.56 = 3,620.46 : x
  2. Step 2: Convert to fraction form
    6,272.58/8,656.56 = 3,620.46/x
  3. Step 3: Cross multiply
    6,272.58x = 8,656.56 × 3,620.46
  4. Step 4: Simplify right side
    6,272.58x = 31,340,729.22
  5. Step 5: Solve for x
    x = 31,340,729.22/6,272.58
  6. Step 6: Final answer
    x = 4,996.47

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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.