Home / 4,120.27-6,179.36-2,038.30

Finding the Fourth Proportional to 4,120.27, 6,179.36 and 2,038.30

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Solution

The fourth proportional to 4,120.27, 6,179.36 and 2,038.30 is: 3,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.27 : 6,179.36 = 2,038.30 : x
  2. Step 2: Convert to fraction form
    4,120.27/6,179.36 = 2,038.30/x
  3. Step 3: Cross multiply
    4,120.27x = 6,179.36 × 2,038.30
  4. Step 4: Simplify right side
    4,120.27x = 12,595,363.85
  5. Step 5: Solve for x
    x = 12,595,363.85/4,120.27
  6. Step 6: Final answer
    x = 3,056.93

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1.5x scale

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.