Home / 3,023.22-4,172.06-1,696.90

Finding the Fourth Proportional to 3,023.22, 4,172.06 and 1,696.90

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Solution

The fourth proportional to 3,023.22, 4,172.06 and 1,696.90 is: 2,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.22 : 4,172.06 = 1,696.90 : x
  2. Step 2: Convert to fraction form
    3,023.22/4,172.06 = 1,696.90/x
  3. Step 3: Cross multiply
    3,023.22x = 4,172.06 × 1,696.90
  4. Step 4: Simplify right side
    3,023.22x = 7,079,560.70
  5. Step 5: Solve for x
    x = 7,079,560.70/3,023.22
  6. Step 6: Final answer
    x = 2,341.73

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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.