Home / 2,328.65-3,213.49-1,333.87

Finding the Fourth Proportional to 2,328.65, 3,213.49 and 1,333.87

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Solution

The fourth proportional to 2,328.65, 3,213.49 and 1,333.87 is: 1,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.65 : 3,213.49 = 1,333.87 : x
  2. Step 2: Convert to fraction form
    2,328.65/3,213.49 = 1,333.87/x
  3. Step 3: Cross multiply
    2,328.65x = 3,213.49 × 1,333.87
  4. Step 4: Simplify right side
    2,328.65x = 4,286,377.91
  5. Step 5: Solve for x
    x = 4,286,377.91/2,328.65
  6. Step 6: Final answer
    x = 1,840.71

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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.