Home / 3,210.91-4,430.99-1,794.62

Finding the Fourth Proportional to 3,210.91, 4,430.99 and 1,794.62

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Solution

The fourth proportional to 3,210.91, 4,430.99 and 1,794.62 is: 2,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.91 : 4,430.99 = 1,794.62 : x
  2. Step 2: Convert to fraction form
    3,210.91/4,430.99 = 1,794.62/x
  3. Step 3: Cross multiply
    3,210.91x = 4,430.99 × 1,794.62
  4. Step 4: Simplify right side
    3,210.91x = 7,951,943.27
  5. Step 5: Solve for x
    x = 7,951,943.27/3,210.91
  6. Step 6: Final answer
    x = 2,476.54

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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.