Home / 3,290.22-4,540.61-2,031.23

Finding the Fourth Proportional to 3,290.22, 4,540.61 and 2,031.23

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Solution

The fourth proportional to 3,290.22, 4,540.61 and 2,031.23 is: 2,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.22 : 4,540.61 = 2,031.23 : x
  2. Step 2: Convert to fraction form
    3,290.22/4,540.61 = 2,031.23/x
  3. Step 3: Cross multiply
    3,290.22x = 4,540.61 × 2,031.23
  4. Step 4: Simplify right side
    3,290.22x = 9,223,039.68
  5. Step 5: Solve for x
    x = 9,223,039.68/3,290.22
  6. Step 6: Final answer
    x = 2,803.17

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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.