Home / 5,151.33-7,726.96-1,864.42

Finding the Fourth Proportional to 5,151.33, 7,726.96 and 1,864.42

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Solution

The fourth proportional to 5,151.33, 7,726.96 and 1,864.42 is: 2,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.33 : 7,726.96 = 1,864.42 : x
  2. Step 2: Convert to fraction form
    5,151.33/7,726.96 = 1,864.42/x
  3. Step 3: Cross multiply
    5,151.33x = 7,726.96 × 1,864.42
  4. Step 4: Simplify right side
    5,151.33x = 14,406,281.78
  5. Step 5: Solve for x
    x = 14,406,281.78/5,151.33
  6. Step 6: Final answer
    x = 2,796.61

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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.