Home / 3,518.12-4,855.80-2,026.31

Finding the Fourth Proportional to 3,518.12, 4,855.80 and 2,026.31

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Solution

The fourth proportional to 3,518.12, 4,855.80 and 2,026.31 is: 2,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.12 : 4,855.80 = 2,026.31 : x
  2. Step 2: Convert to fraction form
    3,518.12/4,855.80 = 2,026.31/x
  3. Step 3: Cross multiply
    3,518.12x = 4,855.80 × 2,026.31
  4. Step 4: Simplify right side
    3,518.12x = 9,839,331.82
  5. Step 5: Solve for x
    x = 9,839,331.82/3,518.12
  6. Step 6: Final answer
    x = 2,796.76

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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.