Home / 6,664.99-9,197.58-3,680.83

Finding the Fourth Proportional to 6,664.99, 9,197.58 and 3,680.83

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Solution

The fourth proportional to 6,664.99, 9,197.58 and 3,680.83 is: 5,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.99 : 9,197.58 = 3,680.83 : x
  2. Step 2: Convert to fraction form
    6,664.99/9,197.58 = 3,680.83/x
  3. Step 3: Cross multiply
    6,664.99x = 9,197.58 × 3,680.83
  4. Step 4: Simplify right side
    6,664.99x = 33,854,728.39
  5. Step 5: Solve for x
    x = 33,854,728.39/6,664.99
  6. Step 6: Final answer
    x = 5,079.49

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Half scale
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Double scale
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Similar ratio
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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.