Home / 2,975.74-4,106.83-1,717.08

Finding the Fourth Proportional to 2,975.74, 4,106.83 and 1,717.08

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Solution

The fourth proportional to 2,975.74, 4,106.83 and 1,717.08 is: 2,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.74 : 4,106.83 = 1,717.08 : x
  2. Step 2: Convert to fraction form
    2,975.74/4,106.83 = 1,717.08/x
  3. Step 3: Cross multiply
    2,975.74x = 4,106.83 × 1,717.08
  4. Step 4: Simplify right side
    2,975.74x = 7,051,755.66
  5. Step 5: Solve for x
    x = 7,051,755.66/2,975.74
  6. Step 6: Final answer
    x = 2,369.75

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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.