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Finding the Fourth Proportional to 3,883.48, 5,826.20 and 1,110.20

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Solution

The fourth proportional to 3,883.48, 5,826.20 and 1,110.20 is: 1,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.48 : 5,826.20 = 1,110.20 : x
  2. Step 2: Convert to fraction form
    3,883.48/5,826.20 = 1,110.20/x
  3. Step 3: Cross multiply
    3,883.48x = 5,826.20 × 1,110.20
  4. Step 4: Simplify right side
    3,883.48x = 6,468,247.24
  5. Step 5: Solve for x
    x = 6,468,247.24/3,883.48
  6. Step 6: Final answer
    x = 1,665.58

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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.