Home / 2,974.08-4,103.04-2,042.88

Finding the Fourth Proportional to 2,974.08, 4,103.04 and 2,042.88

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Solution

The fourth proportional to 2,974.08, 4,103.04 and 2,042.88 is: 2,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.08 : 4,103.04 = 2,042.88 : x
  2. Step 2: Convert to fraction form
    2,974.08/4,103.04 = 2,042.88/x
  3. Step 3: Cross multiply
    2,974.08x = 4,103.04 × 2,042.88
  4. Step 4: Simplify right side
    2,974.08x = 8,382,018.36
  5. Step 5: Solve for x
    x = 8,382,018.36/2,974.08
  6. Step 6: Final answer
    x = 2,818.36

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1.5x scale

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.