Home / 2,853.23-3,936.59-1,674.06

Finding the Fourth Proportional to 2,853.23, 3,936.59 and 1,674.06

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Solution

The fourth proportional to 2,853.23, 3,936.59 and 1,674.06 is: 2,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.23 : 3,936.59 = 1,674.06 : x
  2. Step 2: Convert to fraction form
    2,853.23/3,936.59 = 1,674.06/x
  3. Step 3: Cross multiply
    2,853.23x = 3,936.59 × 1,674.06
  4. Step 4: Simplify right side
    2,853.23x = 6,590,079.49
  5. Step 5: Solve for x
    x = 6,590,079.49/2,853.23
  6. Step 6: Final answer
    x = 2,309.69

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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.