Home / 1,324.18-1,826.25-1,251.22

Finding the Fourth Proportional to 1,324.18, 1,826.25 and 1,251.22

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Solution

The fourth proportional to 1,324.18, 1,826.25 and 1,251.22 is: 1,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.18 : 1,826.25 = 1,251.22 : x
  2. Step 2: Convert to fraction form
    1,324.18/1,826.25 = 1,251.22/x
  3. Step 3: Cross multiply
    1,324.18x = 1,826.25 × 1,251.22
  4. Step 4: Simplify right side
    1,324.18x = 2,285,040.53
  5. Step 5: Solve for x
    x = 2,285,040.53/1,324.18
  6. Step 6: Final answer
    x = 1,725.63

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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.