Home / 6,220.65-8,584.28-3,702.18

Finding the Fourth Proportional to 6,220.65, 8,584.28 and 3,702.18

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Solution

The fourth proportional to 6,220.65, 8,584.28 and 3,702.18 is: 5,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.65 : 8,584.28 = 3,702.18 : x
  2. Step 2: Convert to fraction form
    6,220.65/8,584.28 = 3,702.18/x
  3. Step 3: Cross multiply
    6,220.65x = 8,584.28 × 3,702.18
  4. Step 4: Simplify right side
    6,220.65x = 31,780,553.15
  5. Step 5: Solve for x
    x = 31,780,553.15/6,220.65
  6. Step 6: Final answer
    x = 5,108.88

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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.