Home / 4,106.38-6,162.34-1,915.32

Finding the Fourth Proportional to 4,106.38, 6,162.34 and 1,915.32

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Solution

The fourth proportional to 4,106.38, 6,162.34 and 1,915.32 is: 2,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.38 : 6,162.34 = 1,915.32 : x
  2. Step 2: Convert to fraction form
    4,106.38/6,162.34 = 1,915.32/x
  3. Step 3: Cross multiply
    4,106.38x = 6,162.34 × 1,915.32
  4. Step 4: Simplify right side
    4,106.38x = 11,802,853.05
  5. Step 5: Solve for x
    x = 11,802,853.05/4,106.38
  6. Step 6: Final answer
    x = 2,874.27

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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.