Home / 3,519.45-4,857.78-2,192.37

Finding the Fourth Proportional to 3,519.45, 4,857.78 and 2,192.37

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Solution

The fourth proportional to 3,519.45, 4,857.78 and 2,192.37 is: 3,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.45 : 4,857.78 = 2,192.37 : x
  2. Step 2: Convert to fraction form
    3,519.45/4,857.78 = 2,192.37/x
  3. Step 3: Cross multiply
    3,519.45x = 4,857.78 × 2,192.37
  4. Step 4: Simplify right side
    3,519.45x = 10,650,051.14
  5. Step 5: Solve for x
    x = 10,650,051.14/3,519.45
  6. Step 6: Final answer
    x = 3,026.06

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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.