Home / 5,827.94-8,739.85-1,879.04

Finding the Fourth Proportional to 5,827.94, 8,739.85 and 1,879.04

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Solution

The fourth proportional to 5,827.94, 8,739.85 and 1,879.04 is: 2,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.94 : 8,739.85 = 1,879.04 : x
  2. Step 2: Convert to fraction form
    5,827.94/8,739.85 = 1,879.04/x
  3. Step 3: Cross multiply
    5,827.94x = 8,739.85 × 1,879.04
  4. Step 4: Simplify right side
    5,827.94x = 16,422,474.65
  5. Step 5: Solve for x
    x = 16,422,474.65/5,827.94
  6. Step 6: Final answer
    x = 2,817.89

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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.