Home / 7,880.69-11,820.62-2,037.14

Finding the Fourth Proportional to 7,880.69, 11,820.62 and 2,037.14

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Solution

The fourth proportional to 7,880.69, 11,820.62 and 2,037.14 is: 3,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.69 : 11,820.62 = 2,037.14 : x
  2. Step 2: Convert to fraction form
    7,880.69/11,820.62 = 2,037.14/x
  3. Step 3: Cross multiply
    7,880.69x = 11,820.62 × 2,037.14
  4. Step 4: Simplify right side
    7,880.69x = 24,080,292.47
  5. Step 5: Solve for x
    x = 24,080,292.47/7,880.69
  6. Step 6: Final answer
    x = 3,055.61

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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.