Home / 6,217.36-8,579.64-3,422.32

Finding the Fourth Proportional to 6,217.36, 8,579.64 and 3,422.32

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Solution

The fourth proportional to 6,217.36, 8,579.64 and 3,422.32 is: 4,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.36 : 8,579.64 = 3,422.32 : x
  2. Step 2: Convert to fraction form
    6,217.36/8,579.64 = 3,422.32/x
  3. Step 3: Cross multiply
    6,217.36x = 8,579.64 × 3,422.32
  4. Step 4: Simplify right side
    6,217.36x = 29,362,273.56
  5. Step 5: Solve for x
    x = 29,362,273.56/6,217.36
  6. Step 6: Final answer
    x = 4,722.63

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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.