Home / 5,272.15-7,906.36-2,312.03

Finding the Fourth Proportional to 5,272.15, 7,906.36 and 2,312.03

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Solution

The fourth proportional to 5,272.15, 7,906.36 and 2,312.03 is: 3,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.15 : 7,906.36 = 2,312.03 : x
  2. Step 2: Convert to fraction form
    5,272.15/7,906.36 = 2,312.03/x
  3. Step 3: Cross multiply
    5,272.15x = 7,906.36 × 2,312.03
  4. Step 4: Simplify right side
    5,272.15x = 18,279,696.20
  5. Step 5: Solve for x
    x = 18,279,696.20/5,272.15
  6. Step 6: Final answer
    x = 3,467.22

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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.