Home / 2,058.45-2,840.77-1,174.43

Finding the Fourth Proportional to 2,058.45, 2,840.77 and 1,174.43

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Solution

The fourth proportional to 2,058.45, 2,840.77 and 1,174.43 is: 1,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.45 : 2,840.77 = 1,174.43 : x
  2. Step 2: Convert to fraction form
    2,058.45/2,840.77 = 1,174.43/x
  3. Step 3: Cross multiply
    2,058.45x = 2,840.77 × 1,174.43
  4. Step 4: Simplify right side
    2,058.45x = 3,336,294.08
  5. Step 5: Solve for x
    x = 3,336,294.08/2,058.45
  6. Step 6: Final answer
    x = 1,620.78

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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.