Home / 1,919.08-2,873.08-1,126.04

Finding the Fourth Proportional to 1,919.08, 2,873.08 and 1,126.04

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Solution

The fourth proportional to 1,919.08, 2,873.08 and 1,126.04 is: 1,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.08 : 2,873.08 = 1,126.04 : x
  2. Step 2: Convert to fraction form
    1,919.08/2,873.08 = 1,126.04/x
  3. Step 3: Cross multiply
    1,919.08x = 2,873.08 × 1,126.04
  4. Step 4: Simplify right side
    1,919.08x = 3,235,203.00
  5. Step 5: Solve for x
    x = 3,235,203.00/1,919.08
  6. Step 6: Final answer
    x = 1,685.81

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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.