Home / 1,874.53-2,586.23-1,212.22

Finding the Fourth Proportional to 1,874.53, 2,586.23 and 1,212.22

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Solution

The fourth proportional to 1,874.53, 2,586.23 and 1,212.22 is: 1,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.53 : 2,586.23 = 1,212.22 : x
  2. Step 2: Convert to fraction form
    1,874.53/2,586.23 = 1,212.22/x
  3. Step 3: Cross multiply
    1,874.53x = 2,586.23 × 1,212.22
  4. Step 4: Simplify right side
    1,874.53x = 3,135,073.67
  5. Step 5: Solve for x
    x = 3,135,073.67/1,874.53
  6. Step 6: Final answer
    x = 1,672.46

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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.