Home / 1,926.86-2,660.05-1,336.37

Finding the Fourth Proportional to 1,926.86, 2,660.05 and 1,336.37

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Solution

The fourth proportional to 1,926.86, 2,660.05 and 1,336.37 is: 1,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.86 : 2,660.05 = 1,336.37 : x
  2. Step 2: Convert to fraction form
    1,926.86/2,660.05 = 1,336.37/x
  3. Step 3: Cross multiply
    1,926.86x = 2,660.05 × 1,336.37
  4. Step 4: Simplify right side
    1,926.86x = 3,554,811.02
  5. Step 5: Solve for x
    x = 3,554,811.02/1,926.86
  6. Step 6: Final answer
    x = 1,844.87

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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.