Home / 2,790.58-3,848.86-2,044.26

Finding the Fourth Proportional to 2,790.58, 3,848.86 and 2,044.26

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Solution

The fourth proportional to 2,790.58, 3,848.86 and 2,044.26 is: 2,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.58 : 3,848.86 = 2,044.26 : x
  2. Step 2: Convert to fraction form
    2,790.58/3,848.86 = 2,044.26/x
  3. Step 3: Cross multiply
    2,790.58x = 3,848.86 × 2,044.26
  4. Step 4: Simplify right side
    2,790.58x = 7,868,070.54
  5. Step 5: Solve for x
    x = 7,868,070.54/2,790.58
  6. Step 6: Final answer
    x = 2,819.51

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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.