Home / 1,940.53-2,903.85-1,681.41

Finding the Fourth Proportional to 1,940.53, 2,903.85 and 1,681.41

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Solution

The fourth proportional to 1,940.53, 2,903.85 and 1,681.41 is: 2,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.53 : 2,903.85 = 1,681.41 : x
  2. Step 2: Convert to fraction form
    1,940.53/2,903.85 = 1,681.41/x
  3. Step 3: Cross multiply
    1,940.53x = 2,903.85 × 1,681.41
  4. Step 4: Simplify right side
    1,940.53x = 4,882,556.98
  5. Step 5: Solve for x
    x = 4,882,556.98/1,940.53
  6. Step 6: Final answer
    x = 2,516.09

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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.