Home / 5,201.63-7,178.25-2,843.76

Finding the Fourth Proportional to 5,201.63, 7,178.25 and 2,843.76

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Solution

The fourth proportional to 5,201.63, 7,178.25 and 2,843.76 is: 3,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.63 : 7,178.25 = 2,843.76 : x
  2. Step 2: Convert to fraction form
    5,201.63/7,178.25 = 2,843.76/x
  3. Step 3: Cross multiply
    5,201.63x = 7,178.25 × 2,843.76
  4. Step 4: Simplify right side
    5,201.63x = 20,413,220.22
  5. Step 5: Solve for x
    x = 20,413,220.22/5,201.63
  6. Step 6: Final answer
    x = 3,924.39

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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.