Home / 1,930.23-2,661.76-1,716.87

Finding the Fourth Proportional to 1,930.23, 2,661.76 and 1,716.87

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Solution

The fourth proportional to 1,930.23, 2,661.76 and 1,716.87 is: 2,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.23 : 2,661.76 = 1,716.87 : x
  2. Step 2: Convert to fraction form
    1,930.23/2,661.76 = 1,716.87/x
  3. Step 3: Cross multiply
    1,930.23x = 2,661.76 × 1,716.87
  4. Step 4: Simplify right side
    1,930.23x = 4,569,889.24
  5. Step 5: Solve for x
    x = 4,569,889.24/1,930.23
  6. Step 6: Final answer
    x = 2,367.54

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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.