Home / 4,474.16-6,170.46-3,147.38

Finding the Fourth Proportional to 4,474.16, 6,170.46 and 3,147.38

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Solution

The fourth proportional to 4,474.16, 6,170.46 and 3,147.38 is: 4,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.16 : 6,170.46 = 3,147.38 : x
  2. Step 2: Convert to fraction form
    4,474.16/6,170.46 = 3,147.38/x
  3. Step 3: Cross multiply
    4,474.16x = 6,170.46 × 3,147.38
  4. Step 4: Simplify right side
    4,474.16x = 19,420,782.39
  5. Step 5: Solve for x
    x = 19,420,782.39/4,474.16
  6. Step 6: Final answer
    x = 4,340.65

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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.