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Finding the Fourth Proportional to 3,491.00, 4,811.40 and 3,083.67

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Solution

The fourth proportional to 3,491.00, 4,811.40 and 3,083.67 is: 4,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.00 : 4,811.40 = 3,083.67 : x
  2. Step 2: Convert to fraction form
    3,491.00/4,811.40 = 3,083.67/x
  3. Step 3: Cross multiply
    3,491.00x = 4,811.40 × 3,083.67
  4. Step 4: Simplify right side
    3,491.00x = 14,836,769.84
  5. Step 5: Solve for x
    x = 14,836,769.84/3,491.00
  6. Step 6: Final answer
    x = 4,250.01

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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.