Home / 6,220.30-8,585-3,702.52

Finding the Fourth Proportional to 6,220.30, 8,585 and 3,702.52

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Solution

The fourth proportional to 6,220.30, 8,585 and 3,702.52 is: 5,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.30 : 8,585 = 3,702.52 : x
  2. Step 2: Convert to fraction form
    6,220.30/8,585 = 3,702.52/x
  3. Step 3: Cross multiply
    6,220.30x = 8,585 × 3,702.52
  4. Step 4: Simplify right side
    6,220.30x = 31,786,134.20
  5. Step 5: Solve for x
    x = 31,786,134.20/6,220.30
  6. Step 6: Final answer
    x = 5,110.06

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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.