Home / 1,892.53-2,611.69-1,174.45

Finding the Fourth Proportional to 1,892.53, 2,611.69 and 1,174.45

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Solution

The fourth proportional to 1,892.53, 2,611.69 and 1,174.45 is: 1,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.53 : 2,611.69 = 1,174.45 : x
  2. Step 2: Convert to fraction form
    1,892.53/2,611.69 = 1,174.45/x
  3. Step 3: Cross multiply
    1,892.53x = 2,611.69 × 1,174.45
  4. Step 4: Simplify right side
    1,892.53x = 3,067,295.36
  5. Step 5: Solve for x
    x = 3,067,295.36/1,892.53
  6. Step 6: Final answer
    x = 1,620.74

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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.