Home / 2,328.70-3,213.24-1,333.79

Finding the Fourth Proportional to 2,328.70, 3,213.24 and 1,333.79

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Solution

The fourth proportional to 2,328.70, 3,213.24 and 1,333.79 is: 1,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.70 : 3,213.24 = 1,333.79 : x
  2. Step 2: Convert to fraction form
    2,328.70/3,213.24 = 1,333.79/x
  3. Step 3: Cross multiply
    2,328.70x = 3,213.24 × 1,333.79
  4. Step 4: Simplify right side
    2,328.70x = 4,285,769.88
  5. Step 5: Solve for x
    x = 4,285,769.88/2,328.70
  6. Step 6: Final answer
    x = 1,840.41

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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.