Home / 7,119.36-10,674-2,733.12

Finding the Fourth Proportional to 7,119.36, 10,674 and 2,733.12

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Solution

The fourth proportional to 7,119.36, 10,674 and 2,733.12 is: 4,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.36 : 10,674 = 2,733.12 : x
  2. Step 2: Convert to fraction form
    7,119.36/10,674 = 2,733.12/x
  3. Step 3: Cross multiply
    7,119.36x = 10,674 × 2,733.12
  4. Step 4: Simplify right side
    7,119.36x = 29,173,322.88
  5. Step 5: Solve for x
    x = 29,173,322.88/7,119.36
  6. Step 6: Final answer
    x = 4,097.75

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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.