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Finding the Fourth Proportional to 2,596.71, 3,896.16 and 1,058.79

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Solution

The fourth proportional to 2,596.71, 3,896.16 and 1,058.79 is: 1,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.71 : 3,896.16 = 1,058.79 : x
  2. Step 2: Convert to fraction form
    2,596.71/3,896.16 = 1,058.79/x
  3. Step 3: Cross multiply
    2,596.71x = 3,896.16 × 1,058.79
  4. Step 4: Simplify right side
    2,596.71x = 4,125,215.25
  5. Step 5: Solve for x
    x = 4,125,215.25/2,596.71
  6. Step 6: Final answer
    x = 1,588.63

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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.