Home / 5,726.59-8,578.09-2,756.26

Finding the Fourth Proportional to 5,726.59, 8,578.09 and 2,756.26

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Solution

The fourth proportional to 5,726.59, 8,578.09 and 2,756.26 is: 4,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.59 : 8,578.09 = 2,756.26 : x
  2. Step 2: Convert to fraction form
    5,726.59/8,578.09 = 2,756.26/x
  3. Step 3: Cross multiply
    5,726.59x = 8,578.09 × 2,756.26
  4. Step 4: Simplify right side
    5,726.59x = 23,643,446.34
  5. Step 5: Solve for x
    x = 23,643,446.34/5,726.59
  6. Step 6: Final answer
    x = 4,128.71

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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.