Home / 7,355.93-10,151.19-3,998.73

Finding the Fourth Proportional to 7,355.93, 10,151.19 and 3,998.73

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Solution

The fourth proportional to 7,355.93, 10,151.19 and 3,998.73 is: 5,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.93 : 10,151.19 = 3,998.73 : x
  2. Step 2: Convert to fraction form
    7,355.93/10,151.19 = 3,998.73/x
  3. Step 3: Cross multiply
    7,355.93x = 10,151.19 × 3,998.73
  4. Step 4: Simplify right side
    7,355.93x = 40,591,867.99
  5. Step 5: Solve for x
    x = 40,591,867.99/7,355.93
  6. Step 6: Final answer
    x = 5,518.25

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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.