Home / 2,975.64-4,106.53-1,796.69

Finding the Fourth Proportional to 2,975.64, 4,106.53 and 1,796.69

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Solution

The fourth proportional to 2,975.64, 4,106.53 and 1,796.69 is: 2,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.64 : 4,106.53 = 1,796.69 : x
  2. Step 2: Convert to fraction form
    2,975.64/4,106.53 = 1,796.69/x
  3. Step 3: Cross multiply
    2,975.64x = 4,106.53 × 1,796.69
  4. Step 4: Simplify right side
    2,975.64x = 7,378,161.39
  5. Step 5: Solve for x
    x = 7,378,161.39/2,975.64
  6. Step 6: Final answer
    x = 2,479.52

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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.