Home / 2,292.26-3,163.58-2,151.51

Finding the Fourth Proportional to 2,292.26, 3,163.58 and 2,151.51

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Solution

The fourth proportional to 2,292.26, 3,163.58 and 2,151.51 is: 2,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.26 : 3,163.58 = 2,151.51 : x
  2. Step 2: Convert to fraction form
    2,292.26/3,163.58 = 2,151.51/x
  3. Step 3: Cross multiply
    2,292.26x = 3,163.58 × 2,151.51
  4. Step 4: Simplify right side
    2,292.26x = 6,806,463.25
  5. Step 5: Solve for x
    x = 6,806,463.25/2,292.26
  6. Step 6: Final answer
    x = 2,969.33

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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.