Home / 2,693.93-4,040.22-1,911.65

Finding the Fourth Proportional to 2,693.93, 4,040.22 and 1,911.65

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Solution

The fourth proportional to 2,693.93, 4,040.22 and 1,911.65 is: 2,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.93 : 4,040.22 = 1,911.65 : x
  2. Step 2: Convert to fraction form
    2,693.93/4,040.22 = 1,911.65/x
  3. Step 3: Cross multiply
    2,693.93x = 4,040.22 × 1,911.65
  4. Step 4: Simplify right side
    2,693.93x = 7,723,486.56
  5. Step 5: Solve for x
    x = 7,723,486.56/2,693.93
  6. Step 6: Final answer
    x = 2,867.00

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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.