Home / 3,015.19-4,160.96-1,967.25

Finding the Fourth Proportional to 3,015.19, 4,160.96 and 1,967.25

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Solution

The fourth proportional to 3,015.19, 4,160.96 and 1,967.25 is: 2,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.19 : 4,160.96 = 1,967.25 : x
  2. Step 2: Convert to fraction form
    3,015.19/4,160.96 = 1,967.25/x
  3. Step 3: Cross multiply
    3,015.19x = 4,160.96 × 1,967.25
  4. Step 4: Simplify right side
    3,015.19x = 8,185,648.56
  5. Step 5: Solve for x
    x = 8,185,648.56/3,015.19
  6. Step 6: Final answer
    x = 2,714.80

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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.