Home / 2,914.07-4,016.72-1,969.56

Finding the Fourth Proportional to 2,914.07, 4,016.72 and 1,969.56

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Solution

The fourth proportional to 2,914.07, 4,016.72 and 1,969.56 is: 2,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.07 : 4,016.72 = 1,969.56 : x
  2. Step 2: Convert to fraction form
    2,914.07/4,016.72 = 1,969.56/x
  3. Step 3: Cross multiply
    2,914.07x = 4,016.72 × 1,969.56
  4. Step 4: Simplify right side
    2,914.07x = 7,911,161.20
  5. Step 5: Solve for x
    x = 7,911,161.20/2,914.07
  6. Step 6: Final answer
    x = 2,714.82

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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.