Home / 5,080.74-7,010.78-2,956.95

Finding the Fourth Proportional to 5,080.74, 7,010.78 and 2,956.95

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Solution

The fourth proportional to 5,080.74, 7,010.78 and 2,956.95 is: 4,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.74 : 7,010.78 = 2,956.95 : x
  2. Step 2: Convert to fraction form
    5,080.74/7,010.78 = 2,956.95/x
  3. Step 3: Cross multiply
    5,080.74x = 7,010.78 × 2,956.95
  4. Step 4: Simplify right side
    5,080.74x = 20,730,511.14
  5. Step 5: Solve for x
    x = 20,730,511.14/5,080.74
  6. Step 6: Final answer
    x = 4,080.22

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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.