Home / 2,910.03-4,015.48-1,967.88

Finding the Fourth Proportional to 2,910.03, 4,015.48 and 1,967.88

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Solution

The fourth proportional to 2,910.03, 4,015.48 and 1,967.88 is: 2,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.03 : 4,015.48 = 1,967.88 : x
  2. Step 2: Convert to fraction form
    2,910.03/4,015.48 = 1,967.88/x
  3. Step 3: Cross multiply
    2,910.03x = 4,015.48 × 1,967.88
  4. Step 4: Simplify right side
    2,910.03x = 7,901,982.78
  5. Step 5: Solve for x
    x = 7,901,982.78/2,910.03
  6. Step 6: Final answer
    x = 2,715.43

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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.