Home / 2,927.27-4,038.41-1,919.22

Finding the Fourth Proportional to 2,927.27, 4,038.41 and 1,919.22

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Solution

The fourth proportional to 2,927.27, 4,038.41 and 1,919.22 is: 2,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.27 : 4,038.41 = 1,919.22 : x
  2. Step 2: Convert to fraction form
    2,927.27/4,038.41 = 1,919.22/x
  3. Step 3: Cross multiply
    2,927.27x = 4,038.41 × 1,919.22
  4. Step 4: Simplify right side
    2,927.27x = 7,750,617.18
  5. Step 5: Solve for x
    x = 7,750,617.18/2,927.27
  6. Step 6: Final answer
    x = 2,647.73

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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.