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Finding the Fourth Proportional to 2,541.51, 3,813.74 and 1,371.51

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Solution

The fourth proportional to 2,541.51, 3,813.74 and 1,371.51 is: 2,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.51 : 3,813.74 = 1,371.51 : x
  2. Step 2: Convert to fraction form
    2,541.51/3,813.74 = 1,371.51/x
  3. Step 3: Cross multiply
    2,541.51x = 3,813.74 × 1,371.51
  4. Step 4: Simplify right side
    2,541.51x = 5,230,575.69
  5. Step 5: Solve for x
    x = 5,230,575.69/2,541.51
  6. Step 6: Final answer
    x = 2,058.06

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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.