Home / 1,805.19-2,491.66-1,716.95

Finding the Fourth Proportional to 1,805.19, 2,491.66 and 1,716.95

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Solution

The fourth proportional to 1,805.19, 2,491.66 and 1,716.95 is: 2,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.19 : 2,491.66 = 1,716.95 : x
  2. Step 2: Convert to fraction form
    1,805.19/2,491.66 = 1,716.95/x
  3. Step 3: Cross multiply
    1,805.19x = 2,491.66 × 1,716.95
  4. Step 4: Simplify right side
    1,805.19x = 4,278,050.00
  5. Step 5: Solve for x
    x = 4,278,050.00/1,805.19
  6. Step 6: Final answer
    x = 2,369.87

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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.