Home / 1,940.19-2,674.51-1,519.62

Finding the Fourth Proportional to 1,940.19, 2,674.51 and 1,519.62

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Solution

The fourth proportional to 1,940.19, 2,674.51 and 1,519.62 is: 2,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.19 : 2,674.51 = 1,519.62 : x
  2. Step 2: Convert to fraction form
    1,940.19/2,674.51 = 1,519.62/x
  3. Step 3: Cross multiply
    1,940.19x = 2,674.51 × 1,519.62
  4. Step 4: Simplify right side
    1,940.19x = 4,064,238.89
  5. Step 5: Solve for x
    x = 4,064,238.89/1,940.19
  6. Step 6: Final answer
    x = 2,094.76

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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.