Home / 2,312.35-3,467.00-1,079.73

Finding the Fourth Proportional to 2,312.35, 3,467.00 and 1,079.73

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Solution

The fourth proportional to 2,312.35, 3,467.00 and 1,079.73 is: 1,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.35 : 3,467.00 = 1,079.73 : x
  2. Step 2: Convert to fraction form
    2,312.35/3,467.00 = 1,079.73/x
  3. Step 3: Cross multiply
    2,312.35x = 3,467.00 × 1,079.73
  4. Step 4: Simplify right side
    2,312.35x = 3,743,426.61
  5. Step 5: Solve for x
    x = 3,743,426.61/2,312.35
  6. Step 6: Final answer
    x = 1,618.89

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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.