Home / 6,422.06-8,861.56-3,589.08

Finding the Fourth Proportional to 6,422.06, 8,861.56 and 3,589.08

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Solution

The fourth proportional to 6,422.06, 8,861.56 and 3,589.08 is: 4,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.06 : 8,861.56 = 3,589.08 : x
  2. Step 2: Convert to fraction form
    6,422.06/8,861.56 = 3,589.08/x
  3. Step 3: Cross multiply
    6,422.06x = 8,861.56 × 3,589.08
  4. Step 4: Simplify right side
    6,422.06x = 31,804,847.76
  5. Step 5: Solve for x
    x = 31,804,847.76/6,422.06
  6. Step 6: Final answer
    x = 4,952.44

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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.