Home / 1,916.44-2,644.76-1,170.73

Finding the Fourth Proportional to 1,916.44, 2,644.76 and 1,170.73

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Solution

The fourth proportional to 1,916.44, 2,644.76 and 1,170.73 is: 1,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.44 : 2,644.76 = 1,170.73 : x
  2. Step 2: Convert to fraction form
    1,916.44/2,644.76 = 1,170.73/x
  3. Step 3: Cross multiply
    1,916.44x = 2,644.76 × 1,170.73
  4. Step 4: Simplify right side
    1,916.44x = 3,096,297.33
  5. Step 5: Solve for x
    x = 3,096,297.33/1,916.44
  6. Step 6: Final answer
    x = 1,615.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.