Home / 1,722.44-2,376.23-1,013.99

Finding the Fourth Proportional to 1,722.44, 2,376.23 and 1,013.99

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Solution

The fourth proportional to 1,722.44, 2,376.23 and 1,013.99 is: 1,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.44 : 2,376.23 = 1,013.99 : x
  2. Step 2: Convert to fraction form
    1,722.44/2,376.23 = 1,013.99/x
  3. Step 3: Cross multiply
    1,722.44x = 2,376.23 × 1,013.99
  4. Step 4: Simplify right side
    1,722.44x = 2,409,456.51
  5. Step 5: Solve for x
    x = 2,409,456.51/1,722.44
  6. Step 6: Final answer
    x = 1,398.86

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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.