Home / 6,289.22-8,679.45-3,600.56

Finding the Fourth Proportional to 6,289.22, 8,679.45 and 3,600.56

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Solution

The fourth proportional to 6,289.22, 8,679.45 and 3,600.56 is: 4,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.22 : 8,679.45 = 3,600.56 : x
  2. Step 2: Convert to fraction form
    6,289.22/8,679.45 = 3,600.56/x
  3. Step 3: Cross multiply
    6,289.22x = 8,679.45 × 3,600.56
  4. Step 4: Simplify right side
    6,289.22x = 31,250,837.09
  5. Step 5: Solve for x
    x = 31,250,837.09/6,289.22
  6. Step 6: Final answer
    x = 4,968.96

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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.