Home / 3,753.74-5,174.66-2,631.29

Finding the Fourth Proportional to 3,753.74, 5,174.66 and 2,631.29

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Solution

The fourth proportional to 3,753.74, 5,174.66 and 2,631.29 is: 3,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.74 : 5,174.66 = 2,631.29 : x
  2. Step 2: Convert to fraction form
    3,753.74/5,174.66 = 2,631.29/x
  3. Step 3: Cross multiply
    3,753.74x = 5,174.66 × 2,631.29
  4. Step 4: Simplify right side
    3,753.74x = 13,616,011.82
  5. Step 5: Solve for x
    x = 13,616,011.82/3,753.74
  6. Step 6: Final answer
    x = 3,627.32

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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.