Home / 1,896.90-2,613.78-1,365.27

Finding the Fourth Proportional to 1,896.90, 2,613.78 and 1,365.27

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Solution

The fourth proportional to 1,896.90, 2,613.78 and 1,365.27 is: 1,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.90 : 2,613.78 = 1,365.27 : x
  2. Step 2: Convert to fraction form
    1,896.90/2,613.78 = 1,365.27/x
  3. Step 3: Cross multiply
    1,896.90x = 2,613.78 × 1,365.27
  4. Step 4: Simplify right side
    1,896.90x = 3,568,515.42
  5. Step 5: Solve for x
    x = 3,568,515.42/1,896.90
  6. Step 6: Final answer
    x = 1,881.24

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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.