Home / 5,163.14-7,124.49-2,894.60

Finding the Fourth Proportional to 5,163.14, 7,124.49 and 2,894.60

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Solution

The fourth proportional to 5,163.14, 7,124.49 and 2,894.60 is: 3,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.14 : 7,124.49 = 2,894.60 : x
  2. Step 2: Convert to fraction form
    5,163.14/7,124.49 = 2,894.60/x
  3. Step 3: Cross multiply
    5,163.14x = 7,124.49 × 2,894.60
  4. Step 4: Simplify right side
    5,163.14x = 20,622,566.57
  5. Step 5: Solve for x
    x = 20,622,566.57/5,163.14
  6. Step 6: Final answer
    x = 3,994.19

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1.5x scale

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.