Home / 3,518.20-4,855.20-2,026.48

Finding the Fourth Proportional to 3,518.20, 4,855.20 and 2,026.48

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Solution

The fourth proportional to 3,518.20, 4,855.20 and 2,026.48 is: 2,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.20 : 4,855.20 = 2,026.48 : x
  2. Step 2: Convert to fraction form
    3,518.20/4,855.20 = 2,026.48/x
  3. Step 3: Cross multiply
    3,518.20x = 4,855.20 × 2,026.48
  4. Step 4: Simplify right side
    3,518.20x = 9,838,965.70
  5. Step 5: Solve for x
    x = 9,838,965.70/3,518.20
  6. Step 6: Final answer
    x = 2,796.59

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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.