Home / 3,676.53-5,515.71-1,079.46

Finding the Fourth Proportional to 3,676.53, 5,515.71 and 1,079.46

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Solution

The fourth proportional to 3,676.53, 5,515.71 and 1,079.46 is: 1,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.53 : 5,515.71 = 1,079.46 : x
  2. Step 2: Convert to fraction form
    3,676.53/5,515.71 = 1,079.46/x
  3. Step 3: Cross multiply
    3,676.53x = 5,515.71 × 1,079.46
  4. Step 4: Simplify right side
    3,676.53x = 5,953,982.92
  5. Step 5: Solve for x
    x = 5,953,982.92/3,676.53
  6. Step 6: Final answer
    x = 1,619.46

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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.