Home / 3,724.12-5,585.49-1,874.80

Finding the Fourth Proportional to 3,724.12, 5,585.49 and 1,874.80

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Solution

The fourth proportional to 3,724.12, 5,585.49 and 1,874.80 is: 2,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.12 : 5,585.49 = 1,874.80 : x
  2. Step 2: Convert to fraction form
    3,724.12/5,585.49 = 1,874.80/x
  3. Step 3: Cross multiply
    3,724.12x = 5,585.49 × 1,874.80
  4. Step 4: Simplify right side
    3,724.12x = 10,471,676.65
  5. Step 5: Solve for x
    x = 10,471,676.65/3,724.12
  6. Step 6: Final answer
    x = 2,811.85

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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.