Home / 3,009.44-4,153.57-1,891.36

Finding the Fourth Proportional to 3,009.44, 4,153.57 and 1,891.36

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Solution

The fourth proportional to 3,009.44, 4,153.57 and 1,891.36 is: 2,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.44 : 4,153.57 = 1,891.36 : x
  2. Step 2: Convert to fraction form
    3,009.44/4,153.57 = 1,891.36/x
  3. Step 3: Cross multiply
    3,009.44x = 4,153.57 × 1,891.36
  4. Step 4: Simplify right side
    3,009.44x = 7,855,896.16
  5. Step 5: Solve for x
    x = 7,855,896.16/3,009.44
  6. Step 6: Final answer
    x = 2,610.42

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Half scale
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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.