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Finding the Fourth Proportional to 3,474.52, 5,210 and 1,133.01

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Solution

The fourth proportional to 3,474.52, 5,210 and 1,133.01 is: 1,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.52 : 5,210 = 1,133.01 : x
  2. Step 2: Convert to fraction form
    3,474.52/5,210 = 1,133.01/x
  3. Step 3: Cross multiply
    3,474.52x = 5,210 × 1,133.01
  4. Step 4: Simplify right side
    3,474.52x = 5,902,982.10
  5. Step 5: Solve for x
    x = 5,902,982.10/3,474.52
  6. Step 6: Final answer
    x = 1,698.93

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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.