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Finding the Fourth Proportional to 2,058.82, 2,840.49 and 1,174

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Solution

The fourth proportional to 2,058.82, 2,840.49 and 1,174 is: 1,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.82 : 2,840.49 = 1,174 : x
  2. Step 2: Convert to fraction form
    2,058.82/2,840.49 = 1,174/x
  3. Step 3: Cross multiply
    2,058.82x = 2,840.49 × 1,174
  4. Step 4: Simplify right side
    2,058.82x = 3,334,735.26
  5. Step 5: Solve for x
    x = 3,334,735.26/2,058.82
  6. Step 6: Final answer
    x = 1,619.73

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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.