Home / 4,115.78-6,172.21-1,482.58

Finding the Fourth Proportional to 4,115.78, 6,172.21 and 1,482.58

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Solution

The fourth proportional to 4,115.78, 6,172.21 and 1,482.58 is: 2,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.78 : 6,172.21 = 1,482.58 : x
  2. Step 2: Convert to fraction form
    4,115.78/6,172.21 = 1,482.58/x
  3. Step 3: Cross multiply
    4,115.78x = 6,172.21 × 1,482.58
  4. Step 4: Simplify right side
    4,115.78x = 9,150,775.96
  5. Step 5: Solve for x
    x = 9,150,775.96/4,115.78
  6. Step 6: Final answer
    x = 2,223.34

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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.