Home / 2,974.22-4,457.39-1,584.56

Finding the Fourth Proportional to 2,974.22, 4,457.39 and 1,584.56

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Solution

The fourth proportional to 2,974.22, 4,457.39 and 1,584.56 is: 2,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.22 : 4,457.39 = 1,584.56 : x
  2. Step 2: Convert to fraction form
    2,974.22/4,457.39 = 1,584.56/x
  3. Step 3: Cross multiply
    2,974.22x = 4,457.39 × 1,584.56
  4. Step 4: Simplify right side
    2,974.22x = 7,062,993.98
  5. Step 5: Solve for x
    x = 7,062,993.98/2,974.22
  6. Step 6: Final answer
    x = 2,374.74

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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.