Home / 1,926.98-2,658.36-1,227.92

Finding the Fourth Proportional to 1,926.98, 2,658.36 and 1,227.92

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Solution

The fourth proportional to 1,926.98, 2,658.36 and 1,227.92 is: 1,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.98 : 2,658.36 = 1,227.92 : x
  2. Step 2: Convert to fraction form
    1,926.98/2,658.36 = 1,227.92/x
  3. Step 3: Cross multiply
    1,926.98x = 2,658.36 × 1,227.92
  4. Step 4: Simplify right side
    1,926.98x = 3,264,253.41
  5. Step 5: Solve for x
    x = 3,264,253.41/1,926.98
  6. Step 6: Final answer
    x = 1,693.97

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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.