Home / 3,963.51-5,945.25-1,190.18

Finding the Fourth Proportional to 3,963.51, 5,945.25 and 1,190.18

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Solution

The fourth proportional to 3,963.51, 5,945.25 and 1,190.18 is: 1,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.51 : 5,945.25 = 1,190.18 : x
  2. Step 2: Convert to fraction form
    3,963.51/5,945.25 = 1,190.18/x
  3. Step 3: Cross multiply
    3,963.51x = 5,945.25 × 1,190.18
  4. Step 4: Simplify right side
    3,963.51x = 7,075,932.51
  5. Step 5: Solve for x
    x = 7,075,932.51/3,963.51
  6. Step 6: Final answer
    x = 1,785.27

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Double scale
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Similar ratio
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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.