Home / 3,174.84-4,754.70-1,872.36

Finding the Fourth Proportional to 3,174.84, 4,754.70 and 1,872.36

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Solution

The fourth proportional to 3,174.84, 4,754.70 and 1,872.36 is: 2,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.84 : 4,754.70 = 1,872.36 : x
  2. Step 2: Convert to fraction form
    3,174.84/4,754.70 = 1,872.36/x
  3. Step 3: Cross multiply
    3,174.84x = 4,754.70 × 1,872.36
  4. Step 4: Simplify right side
    3,174.84x = 8,902,510.09
  5. Step 5: Solve for x
    x = 8,902,510.09/3,174.84
  6. Step 6: Final answer
    x = 2,804.08

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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.