Home / 2,372.56-3,274.28-1,324.69

Finding the Fourth Proportional to 2,372.56, 3,274.28 and 1,324.69

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Solution

The fourth proportional to 2,372.56, 3,274.28 and 1,324.69 is: 1,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.56 : 3,274.28 = 1,324.69 : x
  2. Step 2: Convert to fraction form
    2,372.56/3,274.28 = 1,324.69/x
  3. Step 3: Cross multiply
    2,372.56x = 3,274.28 × 1,324.69
  4. Step 4: Simplify right side
    2,372.56x = 4,337,405.97
  5. Step 5: Solve for x
    x = 4,337,405.97/2,372.56
  6. Step 6: Final answer
    x = 1,828.15

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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.