Home / 4,163.80-5,746.09-2,275.43

Finding the Fourth Proportional to 4,163.80, 5,746.09 and 2,275.43

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Solution

The fourth proportional to 4,163.80, 5,746.09 and 2,275.43 is: 3,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.80 : 5,746.09 = 2,275.43 : x
  2. Step 2: Convert to fraction form
    4,163.80/5,746.09 = 2,275.43/x
  3. Step 3: Cross multiply
    4,163.80x = 5,746.09 × 2,275.43
  4. Step 4: Simplify right side
    4,163.80x = 13,074,825.57
  5. Step 5: Solve for x
    x = 13,074,825.57/4,163.80
  6. Step 6: Final answer
    x = 3,140.12

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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.