Home / 3,071.16-4,235.49-2,234.61

Finding the Fourth Proportional to 3,071.16, 4,235.49 and 2,234.61

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Solution

The fourth proportional to 3,071.16, 4,235.49 and 2,234.61 is: 3,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.16 : 4,235.49 = 2,234.61 : x
  2. Step 2: Convert to fraction form
    3,071.16/4,235.49 = 2,234.61/x
  3. Step 3: Cross multiply
    3,071.16x = 4,235.49 × 2,234.61
  4. Step 4: Simplify right side
    3,071.16x = 9,464,668.31
  5. Step 5: Solve for x
    x = 9,464,668.31/3,071.16
  6. Step 6: Final answer
    x = 3,081.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.