Home / 4,081.24-6,118.84-1,306.30

Finding the Fourth Proportional to 4,081.24, 6,118.84 and 1,306.30

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Solution

The fourth proportional to 4,081.24, 6,118.84 and 1,306.30 is: 1,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.24 : 6,118.84 = 1,306.30 : x
  2. Step 2: Convert to fraction form
    4,081.24/6,118.84 = 1,306.30/x
  3. Step 3: Cross multiply
    4,081.24x = 6,118.84 × 1,306.30
  4. Step 4: Simplify right side
    4,081.24x = 7,993,055.71
  5. Step 5: Solve for x
    x = 7,993,055.71/4,081.24
  6. Step 6: Final answer
    x = 1,958.49

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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.