Home / 5,483.52-8,223.78-2,151.24

Finding the Fourth Proportional to 5,483.52, 8,223.78 and 2,151.24

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Solution

The fourth proportional to 5,483.52, 8,223.78 and 2,151.24 is: 3,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.52 : 8,223.78 = 2,151.24 : x
  2. Step 2: Convert to fraction form
    5,483.52/8,223.78 = 2,151.24/x
  3. Step 3: Cross multiply
    5,483.52x = 8,223.78 × 2,151.24
  4. Step 4: Simplify right side
    5,483.52x = 17,691,324.49
  5. Step 5: Solve for x
    x = 17,691,324.49/5,483.52
  6. Step 6: Final answer
    x = 3,226.27

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.