Home / 3,272.98-4,514.79-2,153.51

Finding the Fourth Proportional to 3,272.98, 4,514.79 and 2,153.51

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Solution

The fourth proportional to 3,272.98, 4,514.79 and 2,153.51 is: 2,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.98 : 4,514.79 = 2,153.51 : x
  2. Step 2: Convert to fraction form
    3,272.98/4,514.79 = 2,153.51/x
  3. Step 3: Cross multiply
    3,272.98x = 4,514.79 × 2,153.51
  4. Step 4: Simplify right side
    3,272.98x = 9,722,648.43
  5. Step 5: Solve for x
    x = 9,722,648.43/3,272.98
  6. Step 6: Final answer
    x = 2,970.58

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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.