Home / 5,481.72-7,564.76-2,963.84

Finding the Fourth Proportional to 5,481.72, 7,564.76 and 2,963.84

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Solution

The fourth proportional to 5,481.72, 7,564.76 and 2,963.84 is: 4,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.72 : 7,564.76 = 2,963.84 : x
  2. Step 2: Convert to fraction form
    5,481.72/7,564.76 = 2,963.84/x
  3. Step 3: Cross multiply
    5,481.72x = 7,564.76 × 2,963.84
  4. Step 4: Simplify right side
    5,481.72x = 22,420,685.64
  5. Step 5: Solve for x
    x = 22,420,685.64/5,481.72
  6. Step 6: Final answer
    x = 4,090.08

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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.