Home / 2,945.83-4,065.06-1,619.41

Finding the Fourth Proportional to 2,945.83, 4,065.06 and 1,619.41

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Solution

The fourth proportional to 2,945.83, 4,065.06 and 1,619.41 is: 2,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.83 : 4,065.06 = 1,619.41 : x
  2. Step 2: Convert to fraction form
    2,945.83/4,065.06 = 1,619.41/x
  3. Step 3: Cross multiply
    2,945.83x = 4,065.06 × 1,619.41
  4. Step 4: Simplify right side
    2,945.83x = 6,582,998.81
  5. Step 5: Solve for x
    x = 6,582,998.81/2,945.83
  6. Step 6: Final answer
    x = 2,234.68

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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.