Home / 2,894.22-3,992.70-1,714.62

Finding the Fourth Proportional to 2,894.22, 3,992.70 and 1,714.62

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Solution

The fourth proportional to 2,894.22, 3,992.70 and 1,714.62 is: 2,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.22 : 3,992.70 = 1,714.62 : x
  2. Step 2: Convert to fraction form
    2,894.22/3,992.70 = 1,714.62/x
  3. Step 3: Cross multiply
    2,894.22x = 3,992.70 × 1,714.62
  4. Step 4: Simplify right side
    2,894.22x = 6,845,963.27
  5. Step 5: Solve for x
    x = 6,845,963.27/2,894.22
  6. Step 6: Final answer
    x = 2,365.39

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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.