Home / 2,032.76-2,805.26-1,247.24

Finding the Fourth Proportional to 2,032.76, 2,805.26 and 1,247.24

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Solution

The fourth proportional to 2,032.76, 2,805.26 and 1,247.24 is: 1,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.76 : 2,805.26 = 1,247.24 : x
  2. Step 2: Convert to fraction form
    2,032.76/2,805.26 = 1,247.24/x
  3. Step 3: Cross multiply
    2,032.76x = 2,805.26 × 1,247.24
  4. Step 4: Simplify right side
    2,032.76x = 3,498,832.48
  5. Step 5: Solve for x
    x = 3,498,832.48/2,032.76
  6. Step 6: Final answer
    x = 1,721.22

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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.