Home / 2,967.15-4,451.85-1,118.73

Finding the Fourth Proportional to 2,967.15, 4,451.85 and 1,118.73

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Solution

The fourth proportional to 2,967.15, 4,451.85 and 1,118.73 is: 1,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.15 : 4,451.85 = 1,118.73 : x
  2. Step 2: Convert to fraction form
    2,967.15/4,451.85 = 1,118.73/x
  3. Step 3: Cross multiply
    2,967.15x = 4,451.85 × 1,118.73
  4. Step 4: Simplify right side
    2,967.15x = 4,980,418.15
  5. Step 5: Solve for x
    x = 4,980,418.15/2,967.15
  6. Step 6: Final answer
    x = 1,678.52

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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.