Home / 2,151.29-2,967.99-1,266.95

Finding the Fourth Proportional to 2,151.29, 2,967.99 and 1,266.95

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Solution

The fourth proportional to 2,151.29, 2,967.99 and 1,266.95 is: 1,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.29 : 2,967.99 = 1,266.95 : x
  2. Step 2: Convert to fraction form
    2,151.29/2,967.99 = 1,266.95/x
  3. Step 3: Cross multiply
    2,151.29x = 2,967.99 × 1,266.95
  4. Step 4: Simplify right side
    2,151.29x = 3,760,294.93
  5. Step 5: Solve for x
    x = 3,760,294.93/2,151.29
  6. Step 6: Final answer
    x = 1,747.93

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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.