Home / 4,103.91-6,154.65-2,155.05

Finding the Fourth Proportional to 4,103.91, 6,154.65 and 2,155.05

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Solution

The fourth proportional to 4,103.91, 6,154.65 and 2,155.05 is: 3,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.91 : 6,154.65 = 2,155.05 : x
  2. Step 2: Convert to fraction form
    4,103.91/6,154.65 = 2,155.05/x
  3. Step 3: Cross multiply
    4,103.91x = 6,154.65 × 2,155.05
  4. Step 4: Simplify right side
    4,103.91x = 13,263,578.48
  5. Step 5: Solve for x
    x = 13,263,578.48/4,103.91
  6. Step 6: Final answer
    x = 3,231.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.