Home / 1,716.28-2,367.67-1,007.90

Finding the Fourth Proportional to 1,716.28, 2,367.67 and 1,007.90

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Solution

The fourth proportional to 1,716.28, 2,367.67 and 1,007.90 is: 1,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.28 : 2,367.67 = 1,007.90 : x
  2. Step 2: Convert to fraction form
    1,716.28/2,367.67 = 1,007.90/x
  3. Step 3: Cross multiply
    1,716.28x = 2,367.67 × 1,007.90
  4. Step 4: Simplify right side
    1,716.28x = 2,386,371.29
  5. Step 5: Solve for x
    x = 2,386,371.29/1,716.28
  6. Step 6: Final answer
    x = 1,390.43

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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.