Home / 5,676.77-8,514.72-2,515.19

Finding the Fourth Proportional to 5,676.77, 8,514.72 and 2,515.19

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Solution

The fourth proportional to 5,676.77, 8,514.72 and 2,515.19 is: 3,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.77 : 8,514.72 = 2,515.19 : x
  2. Step 2: Convert to fraction form
    5,676.77/8,514.72 = 2,515.19/x
  3. Step 3: Cross multiply
    5,676.77x = 8,514.72 × 2,515.19
  4. Step 4: Simplify right side
    5,676.77x = 21,416,131.94
  5. Step 5: Solve for x
    x = 21,416,131.94/5,676.77
  6. Step 6: Final answer
    x = 3,772.59

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1.5x scale

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.