Home / 5,174.34-7,138.98-2,936.04

Finding the Fourth Proportional to 5,174.34, 7,138.98 and 2,936.04

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Solution

The fourth proportional to 5,174.34, 7,138.98 and 2,936.04 is: 4,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.34 : 7,138.98 = 2,936.04 : x
  2. Step 2: Convert to fraction form
    5,174.34/7,138.98 = 2,936.04/x
  3. Step 3: Cross multiply
    5,174.34x = 7,138.98 × 2,936.04
  4. Step 4: Simplify right side
    5,174.34x = 20,960,330.84
  5. Step 5: Solve for x
    x = 20,960,330.84/5,174.34
  6. Step 6: Final answer
    x = 4,050.82

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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.