Home / 6,220.90-8,584.88-3,704.26

Finding the Fourth Proportional to 6,220.90, 8,584.88 and 3,704.26

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Solution

The fourth proportional to 6,220.90, 8,584.88 and 3,704.26 is: 5,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.90 : 8,584.88 = 3,704.26 : x
  2. Step 2: Convert to fraction form
    6,220.90/8,584.88 = 3,704.26/x
  3. Step 3: Cross multiply
    6,220.90x = 8,584.88 × 3,704.26
  4. Step 4: Simplify right side
    6,220.90x = 31,800,619.93
  5. Step 5: Solve for x
    x = 31,800,619.93/6,220.90
  6. Step 6: Final answer
    x = 5,111.90

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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.