Home / 4,743.73-6,543.87-3,149.96

Finding the Fourth Proportional to 4,743.73, 6,543.87 and 3,149.96

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Solution

The fourth proportional to 4,743.73, 6,543.87 and 3,149.96 is: 4,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.73 : 6,543.87 = 3,149.96 : x
  2. Step 2: Convert to fraction form
    4,743.73/6,543.87 = 3,149.96/x
  3. Step 3: Cross multiply
    4,743.73x = 6,543.87 × 3,149.96
  4. Step 4: Simplify right side
    4,743.73x = 20,612,884.21
  5. Step 5: Solve for x
    x = 20,612,884.21/4,743.73
  6. Step 6: Final answer
    x = 4,345.29

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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.