Home / 1,858.19-2,563.62-1,112.04

Finding the Fourth Proportional to 1,858.19, 2,563.62 and 1,112.04

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Solution

The fourth proportional to 1,858.19, 2,563.62 and 1,112.04 is: 1,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.19 : 2,563.62 = 1,112.04 : x
  2. Step 2: Convert to fraction form
    1,858.19/2,563.62 = 1,112.04/x
  3. Step 3: Cross multiply
    1,858.19x = 2,563.62 × 1,112.04
  4. Step 4: Simplify right side
    1,858.19x = 2,850,847.98
  5. Step 5: Solve for x
    x = 2,850,847.98/1,858.19
  6. Step 6: Final answer
    x = 1,534.21

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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.