Home / 5,578.26-8,366.77-1,681.75

Finding the Fourth Proportional to 5,578.26, 8,366.77 and 1,681.75

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Solution

The fourth proportional to 5,578.26, 8,366.77 and 1,681.75 is: 2,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.26 : 8,366.77 = 1,681.75 : x
  2. Step 2: Convert to fraction form
    5,578.26/8,366.77 = 1,681.75/x
  3. Step 3: Cross multiply
    5,578.26x = 8,366.77 × 1,681.75
  4. Step 4: Simplify right side
    5,578.26x = 14,070,815.45
  5. Step 5: Solve for x
    x = 14,070,815.45/5,578.26
  6. Step 6: Final answer
    x = 2,522.44

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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.