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Finding the Fourth Proportional to 2,058.52, 2,840.76 and 1,127

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Solution

The fourth proportional to 2,058.52, 2,840.76 and 1,127 is: 1,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.52 : 2,840.76 = 1,127 : x
  2. Step 2: Convert to fraction form
    2,058.52/2,840.76 = 1,127/x
  3. Step 3: Cross multiply
    2,058.52x = 2,840.76 × 1,127
  4. Step 4: Simplify right side
    2,058.52x = 3,201,536.52
  5. Step 5: Solve for x
    x = 3,201,536.52/2,058.52
  6. Step 6: Final answer
    x = 1,555.26

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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.