Home / 1,716.81-2,371.77-1,619.61

Finding the Fourth Proportional to 1,716.81, 2,371.77 and 1,619.61

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Solution

The fourth proportional to 1,716.81, 2,371.77 and 1,619.61 is: 2,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.81 : 2,371.77 = 1,619.61 : x
  2. Step 2: Convert to fraction form
    1,716.81/2,371.77 = 1,619.61/x
  3. Step 3: Cross multiply
    1,716.81x = 2,371.77 × 1,619.61
  4. Step 4: Simplify right side
    1,716.81x = 3,841,342.41
  5. Step 5: Solve for x
    x = 3,841,342.41/1,716.81
  6. Step 6: Final answer
    x = 2,237.49

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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.