Home / 1,791.24-2,681.40-1,441.32

Finding the Fourth Proportional to 1,791.24, 2,681.40 and 1,441.32

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Solution

The fourth proportional to 1,791.24, 2,681.40 and 1,441.32 is: 2,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.24 : 2,681.40 = 1,441.32 : x
  2. Step 2: Convert to fraction form
    1,791.24/2,681.40 = 1,441.32/x
  3. Step 3: Cross multiply
    1,791.24x = 2,681.40 × 1,441.32
  4. Step 4: Simplify right side
    1,791.24x = 3,864,755.45
  5. Step 5: Solve for x
    x = 3,864,755.45/1,791.24
  6. Step 6: Final answer
    x = 2,157.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.