Home / 6,257.22-8,634.96-3,899.37

Finding the Fourth Proportional to 6,257.22, 8,634.96 and 3,899.37

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Solution

The fourth proportional to 6,257.22, 8,634.96 and 3,899.37 is: 5,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.22 : 8,634.96 = 3,899.37 : x
  2. Step 2: Convert to fraction form
    6,257.22/8,634.96 = 3,899.37/x
  3. Step 3: Cross multiply
    6,257.22x = 8,634.96 × 3,899.37
  4. Step 4: Simplify right side
    6,257.22x = 33,670,903.98
  5. Step 5: Solve for x
    x = 33,670,903.98/6,257.22
  6. Step 6: Final answer
    x = 5,381.13

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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.