Home / 1,806.03-2,707.72-1,219.58

Finding the Fourth Proportional to 1,806.03, 2,707.72 and 1,219.58

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Solution

The fourth proportional to 1,806.03, 2,707.72 and 1,219.58 is: 1,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.03 : 2,707.72 = 1,219.58 : x
  2. Step 2: Convert to fraction form
    1,806.03/2,707.72 = 1,219.58/x
  3. Step 3: Cross multiply
    1,806.03x = 2,707.72 × 1,219.58
  4. Step 4: Simplify right side
    1,806.03x = 3,302,261.52
  5. Step 5: Solve for x
    x = 3,302,261.52/1,806.03
  6. Step 6: Final answer
    x = 1,828.47

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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.