Home / 1,979.17-2,731.34-1,094.96

Finding the Fourth Proportional to 1,979.17, 2,731.34 and 1,094.96

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Solution

The fourth proportional to 1,979.17, 2,731.34 and 1,094.96 is: 1,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.17 : 2,731.34 = 1,094.96 : x
  2. Step 2: Convert to fraction form
    1,979.17/2,731.34 = 1,094.96/x
  3. Step 3: Cross multiply
    1,979.17x = 2,731.34 × 1,094.96
  4. Step 4: Simplify right side
    1,979.17x = 2,990,695.74
  5. Step 5: Solve for x
    x = 2,990,695.74/1,979.17
  6. Step 6: Final answer
    x = 1,511.09

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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.