Home / 7,370.29-11,055.03-2,986.57

Finding the Fourth Proportional to 7,370.29, 11,055.03 and 2,986.57

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Solution

The fourth proportional to 7,370.29, 11,055.03 and 2,986.57 is: 4,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.29 : 11,055.03 = 2,986.57 : x
  2. Step 2: Convert to fraction form
    7,370.29/11,055.03 = 2,986.57/x
  3. Step 3: Cross multiply
    7,370.29x = 11,055.03 × 2,986.57
  4. Step 4: Simplify right side
    7,370.29x = 33,016,620.95
  5. Step 5: Solve for x
    x = 33,016,620.95/7,370.29
  6. Step 6: Final answer
    x = 4,479.69

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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.