Home / 3,809.06-5,714.82-1,619.66

Finding the Fourth Proportional to 3,809.06, 5,714.82 and 1,619.66

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Solution

The fourth proportional to 3,809.06, 5,714.82 and 1,619.66 is: 2,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.06 : 5,714.82 = 1,619.66 : x
  2. Step 2: Convert to fraction form
    3,809.06/5,714.82 = 1,619.66/x
  3. Step 3: Cross multiply
    3,809.06x = 5,714.82 × 1,619.66
  4. Step 4: Simplify right side
    3,809.06x = 9,256,065.36
  5. Step 5: Solve for x
    x = 9,256,065.36/3,809.06
  6. Step 6: Final answer
    x = 2,430.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.