Home / 7,055.03-10,571.61-2,891.53

Finding the Fourth Proportional to 7,055.03, 10,571.61 and 2,891.53

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Solution

The fourth proportional to 7,055.03, 10,571.61 and 2,891.53 is: 4,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.03 : 10,571.61 = 2,891.53 : x
  2. Step 2: Convert to fraction form
    7,055.03/10,571.61 = 2,891.53/x
  3. Step 3: Cross multiply
    7,055.03x = 10,571.61 × 2,891.53
  4. Step 4: Simplify right side
    7,055.03x = 30,568,101.03
  5. Step 5: Solve for x
    x = 30,568,101.03/7,055.03
  6. Step 6: Final answer
    x = 4,332.81

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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.