Home / 2,922.28-4,385.74-1,536.43

Finding the Fourth Proportional to 2,922.28, 4,385.74 and 1,536.43

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Solution

The fourth proportional to 2,922.28, 4,385.74 and 1,536.43 is: 2,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.28 : 4,385.74 = 1,536.43 : x
  2. Step 2: Convert to fraction form
    2,922.28/4,385.74 = 1,536.43/x
  3. Step 3: Cross multiply
    2,922.28x = 4,385.74 × 1,536.43
  4. Step 4: Simplify right side
    2,922.28x = 6,738,360.58
  5. Step 5: Solve for x
    x = 6,738,360.58/2,922.28
  6. Step 6: Final answer
    x = 2,305.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.