Home / 3,519.25-4,855.75-2,192.47

Finding the Fourth Proportional to 3,519.25, 4,855.75 and 2,192.47

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Solution

The fourth proportional to 3,519.25, 4,855.75 and 2,192.47 is: 3,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.25 : 4,855.75 = 2,192.47 : x
  2. Step 2: Convert to fraction form
    3,519.25/4,855.75 = 2,192.47/x
  3. Step 3: Cross multiply
    3,519.25x = 4,855.75 × 2,192.47
  4. Step 4: Simplify right side
    3,519.25x = 10,646,068.58
  5. Step 5: Solve for x
    x = 10,646,068.58/3,519.25
  6. Step 6: Final answer
    x = 3,025.10

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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.