Home / 5,163.36-7,125.36-2,894.66

Finding the Fourth Proportional to 5,163.36, 7,125.36 and 2,894.66

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Solution

The fourth proportional to 5,163.36, 7,125.36 and 2,894.66 is: 3,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.36 : 7,125.36 = 2,894.66 : x
  2. Step 2: Convert to fraction form
    5,163.36/7,125.36 = 2,894.66/x
  3. Step 3: Cross multiply
    5,163.36x = 7,125.36 × 2,894.66
  4. Step 4: Simplify right side
    5,163.36x = 20,625,494.58
  5. Step 5: Solve for x
    x = 20,625,494.58/5,163.36
  6. Step 6: Final answer
    x = 3,994.59

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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.