Home / 1,923.36-2,886.16-1,266.05

Finding the Fourth Proportional to 1,923.36, 2,886.16 and 1,266.05

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Solution

The fourth proportional to 1,923.36, 2,886.16 and 1,266.05 is: 1,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.36 : 2,886.16 = 1,266.05 : x
  2. Step 2: Convert to fraction form
    1,923.36/2,886.16 = 1,266.05/x
  3. Step 3: Cross multiply
    1,923.36x = 2,886.16 × 1,266.05
  4. Step 4: Simplify right side
    1,923.36x = 3,654,022.87
  5. Step 5: Solve for x
    x = 3,654,022.87/1,923.36
  6. Step 6: Final answer
    x = 1,899.81

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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.