Home / 6,220.55-8,585.27-3,702.89

Finding the Fourth Proportional to 6,220.55, 8,585.27 and 3,702.89

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Solution

The fourth proportional to 6,220.55, 8,585.27 and 3,702.89 is: 5,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.55 : 8,585.27 = 3,702.89 : x
  2. Step 2: Convert to fraction form
    6,220.55/8,585.27 = 3,702.89/x
  3. Step 3: Cross multiply
    6,220.55x = 8,585.27 × 3,702.89
  4. Step 4: Simplify right side
    6,220.55x = 31,790,310.43
  5. Step 5: Solve for x
    x = 31,790,310.43/6,220.55
  6. Step 6: Final answer
    x = 5,110.53

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Half scale
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Double scale
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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.