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Finding the Fourth Proportional to 5,713.79, 7,885.00 and 3,195.89

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Solution

The fourth proportional to 5,713.79, 7,885.00 and 3,195.89 is: 4,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.79 : 7,885.00 = 3,195.89 : x
  2. Step 2: Convert to fraction form
    5,713.79/7,885.00 = 3,195.89/x
  3. Step 3: Cross multiply
    5,713.79x = 7,885.00 × 3,195.89
  4. Step 4: Simplify right side
    5,713.79x = 25,199,576.67
  5. Step 5: Solve for x
    x = 25,199,576.67/5,713.79
  6. Step 6: Final answer
    x = 4,410.31

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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.