Home / 3,023.46-4,172.22-1,904.04

Finding the Fourth Proportional to 3,023.46, 4,172.22 and 1,904.04

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Solution

The fourth proportional to 3,023.46, 4,172.22 and 1,904.04 is: 2,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.46 : 4,172.22 = 1,904.04 : x
  2. Step 2: Convert to fraction form
    3,023.46/4,172.22 = 1,904.04/x
  3. Step 3: Cross multiply
    3,023.46x = 4,172.22 × 1,904.04
  4. Step 4: Simplify right side
    3,023.46x = 7,944,073.77
  5. Step 5: Solve for x
    x = 7,944,073.77/3,023.46
  6. Step 6: Final answer
    x = 2,627.48

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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.