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Finding the Fourth Proportional to 3,719.99, 5,133.52 and 2,041.39

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Solution

The fourth proportional to 3,719.99, 5,133.52 and 2,041.39 is: 2,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.99 : 5,133.52 = 2,041.39 : x
  2. Step 2: Convert to fraction form
    3,719.99/5,133.52 = 2,041.39/x
  3. Step 3: Cross multiply
    3,719.99x = 5,133.52 × 2,041.39
  4. Step 4: Simplify right side
    3,719.99x = 10,479,516.39
  5. Step 5: Solve for x
    x = 10,479,516.39/3,719.99
  6. Step 6: Final answer
    x = 2,817.08

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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.