Home / 2,576.19-3,553.84-1,630.39

Finding the Fourth Proportional to 2,576.19, 3,553.84 and 1,630.39

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Solution

The fourth proportional to 2,576.19, 3,553.84 and 1,630.39 is: 2,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.19 : 3,553.84 = 1,630.39 : x
  2. Step 2: Convert to fraction form
    2,576.19/3,553.84 = 1,630.39/x
  3. Step 3: Cross multiply
    2,576.19x = 3,553.84 × 1,630.39
  4. Step 4: Simplify right side
    2,576.19x = 5,794,145.20
  5. Step 5: Solve for x
    x = 5,794,145.20/2,576.19
  6. Step 6: Final answer
    x = 2,249.11

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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.