Home / 2,148.27-2,964.49-1,203.99

Finding the Fourth Proportional to 2,148.27, 2,964.49 and 1,203.99

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Solution

The fourth proportional to 2,148.27, 2,964.49 and 1,203.99 is: 1,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.27 : 2,964.49 = 1,203.99 : x
  2. Step 2: Convert to fraction form
    2,148.27/2,964.49 = 1,203.99/x
  3. Step 3: Cross multiply
    2,148.27x = 2,964.49 × 1,203.99
  4. Step 4: Simplify right side
    2,148.27x = 3,569,208.83
  5. Step 5: Solve for x
    x = 3,569,208.83/2,148.27
  6. Step 6: Final answer
    x = 1,661.43

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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.