Home / 1,926.44-2,658.28-1,086.87

Finding the Fourth Proportional to 1,926.44, 2,658.28 and 1,086.87

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Solution

The fourth proportional to 1,926.44, 2,658.28 and 1,086.87 is: 1,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.44 : 2,658.28 = 1,086.87 : x
  2. Step 2: Convert to fraction form
    1,926.44/2,658.28 = 1,086.87/x
  3. Step 3: Cross multiply
    1,926.44x = 2,658.28 × 1,086.87
  4. Step 4: Simplify right side
    1,926.44x = 2,889,204.78
  5. Step 5: Solve for x
    x = 2,889,204.78/1,926.44
  6. Step 6: Final answer
    x = 1,499.76

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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.