Home / 4,712.31-7,063.74-2,080.89

Finding the Fourth Proportional to 4,712.31, 7,063.74 and 2,080.89

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Solution

The fourth proportional to 4,712.31, 7,063.74 and 2,080.89 is: 3,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.31 : 7,063.74 = 2,080.89 : x
  2. Step 2: Convert to fraction form
    4,712.31/7,063.74 = 2,080.89/x
  3. Step 3: Cross multiply
    4,712.31x = 7,063.74 × 2,080.89
  4. Step 4: Simplify right side
    4,712.31x = 14,698,865.93
  5. Step 5: Solve for x
    x = 14,698,865.93/4,712.31
  6. Step 6: Final answer
    x = 3,119.25

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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.