Home / 3,152.25-4,729.05-1,072.44

Finding the Fourth Proportional to 3,152.25, 4,729.05 and 1,072.44

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Solution

The fourth proportional to 3,152.25, 4,729.05 and 1,072.44 is: 1,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.25 : 4,729.05 = 1,072.44 : x
  2. Step 2: Convert to fraction form
    3,152.25/4,729.05 = 1,072.44/x
  3. Step 3: Cross multiply
    3,152.25x = 4,729.05 × 1,072.44
  4. Step 4: Simplify right side
    3,152.25x = 5,071,622.38
  5. Step 5: Solve for x
    x = 5,071,622.38/3,152.25
  6. Step 6: Final answer
    x = 1,608.89

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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.