Home / 2,675.83-4,014.76-1,115.41

Finding the Fourth Proportional to 2,675.83, 4,014.76 and 1,115.41

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Solution

The fourth proportional to 2,675.83, 4,014.76 and 1,115.41 is: 1,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.83 : 4,014.76 = 1,115.41 : x
  2. Step 2: Convert to fraction form
    2,675.83/4,014.76 = 1,115.41/x
  3. Step 3: Cross multiply
    2,675.83x = 4,014.76 × 1,115.41
  4. Step 4: Simplify right side
    2,675.83x = 4,478,103.45
  5. Step 5: Solve for x
    x = 4,478,103.45/2,675.83
  6. Step 6: Final answer
    x = 1,673.54

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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.