Home / 2,229.62-3,076.65-1,234.67

Finding the Fourth Proportional to 2,229.62, 3,076.65 and 1,234.67

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Solution

The fourth proportional to 2,229.62, 3,076.65 and 1,234.67 is: 1,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.62 : 3,076.65 = 1,234.67 : x
  2. Step 2: Convert to fraction form
    2,229.62/3,076.65 = 1,234.67/x
  3. Step 3: Cross multiply
    2,229.62x = 3,076.65 × 1,234.67
  4. Step 4: Simplify right side
    2,229.62x = 3,798,632.07
  5. Step 5: Solve for x
    x = 3,798,632.07/2,229.62
  6. Step 6: Final answer
    x = 1,703.72

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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.