Home / 6,272.22-8,655.64-3,619.62

Finding the Fourth Proportional to 6,272.22, 8,655.64 and 3,619.62

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Solution

The fourth proportional to 6,272.22, 8,655.64 and 3,619.62 is: 4,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.22 : 8,655.64 = 3,619.62 : x
  2. Step 2: Convert to fraction form
    6,272.22/8,655.64 = 3,619.62/x
  3. Step 3: Cross multiply
    6,272.22x = 8,655.64 × 3,619.62
  4. Step 4: Simplify right side
    6,272.22x = 31,330,127.66
  5. Step 5: Solve for x
    x = 31,330,127.66/6,272.22
  6. Step 6: Final answer
    x = 4,995.06

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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.