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Finding the Fourth Proportional to 6,085.80, 8,398.99 and 3,695.22

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Solution

The fourth proportional to 6,085.80, 8,398.99 and 3,695.22 is: 5,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.80 : 8,398.99 = 3,695.22 : x
  2. Step 2: Convert to fraction form
    6,085.80/8,398.99 = 3,695.22/x
  3. Step 3: Cross multiply
    6,085.80x = 8,398.99 × 3,695.22
  4. Step 4: Simplify right side
    6,085.80x = 31,036,120.45
  5. Step 5: Solve for x
    x = 31,036,120.45/6,085.80
  6. Step 6: Final answer
    x = 5,099.76

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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.