Home / 6,764.73-9,336.20-3,781.18

Finding the Fourth Proportional to 6,764.73, 9,336.20 and 3,781.18

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Solution

The fourth proportional to 6,764.73, 9,336.20 and 3,781.18 is: 5,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.73 : 9,336.20 = 3,781.18 : x
  2. Step 2: Convert to fraction form
    6,764.73/9,336.20 = 3,781.18/x
  3. Step 3: Cross multiply
    6,764.73x = 9,336.20 × 3,781.18
  4. Step 4: Simplify right side
    6,764.73x = 35,301,852.72
  5. Step 5: Solve for x
    x = 35,301,852.72/6,764.73
  6. Step 6: Final answer
    x = 5,218.52

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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.