Home / 5,205.24-7,183.20-2,847.36

Finding the Fourth Proportional to 5,205.24, 7,183.20 and 2,847.36

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Solution

The fourth proportional to 5,205.24, 7,183.20 and 2,847.36 is: 3,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.24 : 7,183.20 = 2,847.36 : x
  2. Step 2: Convert to fraction form
    5,205.24/7,183.20 = 2,847.36/x
  3. Step 3: Cross multiply
    5,205.24x = 7,183.20 × 2,847.36
  4. Step 4: Simplify right side
    5,205.24x = 20,453,156.35
  5. Step 5: Solve for x
    x = 20,453,156.35/5,205.24
  6. Step 6: Final answer
    x = 3,929.34

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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.