Home / 1,589.24-2,379.73-1,097.17

Finding the Fourth Proportional to 1,589.24, 2,379.73 and 1,097.17

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Solution

The fourth proportional to 1,589.24, 2,379.73 and 1,097.17 is: 1,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.24 : 2,379.73 = 1,097.17 : x
  2. Step 2: Convert to fraction form
    1,589.24/2,379.73 = 1,097.17/x
  3. Step 3: Cross multiply
    1,589.24x = 2,379.73 × 1,097.17
  4. Step 4: Simplify right side
    1,589.24x = 2,610,968.36
  5. Step 5: Solve for x
    x = 2,610,968.36/1,589.24
  6. Step 6: Final answer
    x = 1,642.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.