Home / 1,886.43-2,825.96-1,235.19

Finding the Fourth Proportional to 1,886.43, 2,825.96 and 1,235.19

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Solution

The fourth proportional to 1,886.43, 2,825.96 and 1,235.19 is: 1,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.43 : 2,825.96 = 1,235.19 : x
  2. Step 2: Convert to fraction form
    1,886.43/2,825.96 = 1,235.19/x
  3. Step 3: Cross multiply
    1,886.43x = 2,825.96 × 1,235.19
  4. Step 4: Simplify right side
    1,886.43x = 3,490,597.53
  5. Step 5: Solve for x
    x = 3,490,597.53/1,886.43
  6. Step 6: Final answer
    x = 1,850.37

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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.