Home / 5,373.67-7,412.79-3,134.73

Finding the Fourth Proportional to 5,373.67, 7,412.79 and 3,134.73

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Solution

The fourth proportional to 5,373.67, 7,412.79 and 3,134.73 is: 4,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.67 : 7,412.79 = 3,134.73 : x
  2. Step 2: Convert to fraction form
    5,373.67/7,412.79 = 3,134.73/x
  3. Step 3: Cross multiply
    5,373.67x = 7,412.79 × 3,134.73
  4. Step 4: Simplify right side
    5,373.67x = 23,237,095.20
  5. Step 5: Solve for x
    x = 23,237,095.20/5,373.67
  6. Step 6: Final answer
    x = 4,324.25

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Half 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.