Home / 2,371.24-3,272.32-1,309.04

Finding the Fourth Proportional to 2,371.24, 3,272.32 and 1,309.04

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Solution

The fourth proportional to 2,371.24, 3,272.32 and 1,309.04 is: 1,806.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.24 : 3,272.32 = 1,309.04 : x
  2. Step 2: Convert to fraction form
    2,371.24/3,272.32 = 1,309.04/x
  3. Step 3: Cross multiply
    2,371.24x = 3,272.32 × 1,309.04
  4. Step 4: Simplify right side
    2,371.24x = 4,283,597.77
  5. Step 5: Solve for x
    x = 4,283,597.77/2,371.24
  6. Step 6: Final answer
    x = 1,806.48

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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.