Home / 1,791.24-2,471.85-1,045.26

Finding the Fourth Proportional to 1,791.24, 2,471.85 and 1,045.26

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Solution

The fourth proportional to 1,791.24, 2,471.85 and 1,045.26 is: 1,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.24 : 2,471.85 = 1,045.26 : x
  2. Step 2: Convert to fraction form
    1,791.24/2,471.85 = 1,045.26/x
  3. Step 3: Cross multiply
    1,791.24x = 2,471.85 × 1,045.26
  4. Step 4: Simplify right side
    1,791.24x = 2,583,725.93
  5. Step 5: Solve for x
    x = 2,583,725.93/1,791.24
  6. Step 6: Final answer
    x = 1,442.42

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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.