Home / 2,903.22-4,003.23-2,272.62

Finding the Fourth Proportional to 2,903.22, 4,003.23 and 2,272.62

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Solution

The fourth proportional to 2,903.22, 4,003.23 and 2,272.62 is: 3,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.22 : 4,003.23 = 2,272.62 : x
  2. Step 2: Convert to fraction form
    2,903.22/4,003.23 = 2,272.62/x
  3. Step 3: Cross multiply
    2,903.22x = 4,003.23 × 2,272.62
  4. Step 4: Simplify right side
    2,903.22x = 9,097,820.56
  5. Step 5: Solve for x
    x = 9,097,820.56/2,903.22
  6. Step 6: Final answer
    x = 3,133.70

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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.