Home / 5,047.46-6,965.04-3,721.90

Finding the Fourth Proportional to 5,047.46, 6,965.04 and 3,721.90

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Solution

The fourth proportional to 5,047.46, 6,965.04 and 3,721.90 is: 5,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.46 : 6,965.04 = 3,721.90 : x
  2. Step 2: Convert to fraction form
    5,047.46/6,965.04 = 3,721.90/x
  3. Step 3: Cross multiply
    5,047.46x = 6,965.04 × 3,721.90
  4. Step 4: Simplify right side
    5,047.46x = 25,923,182.38
  5. Step 5: Solve for x
    x = 25,923,182.38/5,047.46
  6. Step 6: Final answer
    x = 5,135.89

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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.