Home / 5,013.72-7,521.06-2,091.48

Finding the Fourth Proportional to 5,013.72, 7,521.06 and 2,091.48

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Solution

The fourth proportional to 5,013.72, 7,521.06 and 2,091.48 is: 3,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.72 : 7,521.06 = 2,091.48 : x
  2. Step 2: Convert to fraction form
    5,013.72/7,521.06 = 2,091.48/x
  3. Step 3: Cross multiply
    5,013.72x = 7,521.06 × 2,091.48
  4. Step 4: Simplify right side
    5,013.72x = 15,730,146.57
  5. Step 5: Solve for x
    x = 15,730,146.57/5,013.72
  6. Step 6: Final answer
    x = 3,137.42

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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.