Home / 2,967.85-4,448.56-1,579.78

Finding the Fourth Proportional to 2,967.85, 4,448.56 and 1,579.78

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Solution

The fourth proportional to 2,967.85, 4,448.56 and 1,579.78 is: 2,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.85 : 4,448.56 = 1,579.78 : x
  2. Step 2: Convert to fraction form
    2,967.85/4,448.56 = 1,579.78/x
  3. Step 3: Cross multiply
    2,967.85x = 4,448.56 × 1,579.78
  4. Step 4: Simplify right side
    2,967.85x = 7,027,746.12
  5. Step 5: Solve for x
    x = 7,027,746.12/2,967.85
  6. Step 6: Final answer
    x = 2,367.96

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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.