Home / 1,828.65-2,523.11-1,042.95

Finding the Fourth Proportional to 1,828.65, 2,523.11 and 1,042.95

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Solution

The fourth proportional to 1,828.65, 2,523.11 and 1,042.95 is: 1,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.65 : 2,523.11 = 1,042.95 : x
  2. Step 2: Convert to fraction form
    1,828.65/2,523.11 = 1,042.95/x
  3. Step 3: Cross multiply
    1,828.65x = 2,523.11 × 1,042.95
  4. Step 4: Simplify right side
    1,828.65x = 2,631,472.36
  5. Step 5: Solve for x
    x = 2,631,472.36/1,828.65
  6. Step 6: Final answer
    x = 1,439.02

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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.