Home / 2,092.96-3,138.48-1,118.24

Finding the Fourth Proportional to 2,092.96, 3,138.48 and 1,118.24

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Solution

The fourth proportional to 2,092.96, 3,138.48 and 1,118.24 is: 1,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.96 : 3,138.48 = 1,118.24 : x
  2. Step 2: Convert to fraction form
    2,092.96/3,138.48 = 1,118.24/x
  3. Step 3: Cross multiply
    2,092.96x = 3,138.48 × 1,118.24
  4. Step 4: Simplify right side
    2,092.96x = 3,509,573.88
  5. Step 5: Solve for x
    x = 3,509,573.88/2,092.96
  6. Step 6: Final answer
    x = 1,676.85

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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.