Home / 6,220.88-8,584.84-3,426.48

Finding the Fourth Proportional to 6,220.88, 8,584.84 and 3,426.48

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Solution

The fourth proportional to 6,220.88, 8,584.84 and 3,426.48 is: 4,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.88 : 8,584.84 = 3,426.48 : x
  2. Step 2: Convert to fraction form
    6,220.88/8,584.84 = 3,426.48/x
  3. Step 3: Cross multiply
    6,220.88x = 8,584.84 × 3,426.48
  4. Step 4: Simplify right side
    6,220.88x = 29,415,782.56
  5. Step 5: Solve for x
    x = 29,415,782.56/6,220.88
  6. Step 6: Final answer
    x = 4,728.56

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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.