Home / 3,161.58-4,363.20-1,764.33

Finding the Fourth Proportional to 3,161.58, 4,363.20 and 1,764.33

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Solution

The fourth proportional to 3,161.58, 4,363.20 and 1,764.33 is: 2,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.58 : 4,363.20 = 1,764.33 : x
  2. Step 2: Convert to fraction form
    3,161.58/4,363.20 = 1,764.33/x
  3. Step 3: Cross multiply
    3,161.58x = 4,363.20 × 1,764.33
  4. Step 4: Simplify right side
    3,161.58x = 7,698,124.66
  5. Step 5: Solve for x
    x = 7,698,124.66/3,161.58
  6. Step 6: Final answer
    x = 2,434.90

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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.