Home / 3,297.15-4,550.31-1,971.59

Finding the Fourth Proportional to 3,297.15, 4,550.31 and 1,971.59

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Solution

The fourth proportional to 3,297.15, 4,550.31 and 1,971.59 is: 2,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.15 : 4,550.31 = 1,971.59 : x
  2. Step 2: Convert to fraction form
    3,297.15/4,550.31 = 1,971.59/x
  3. Step 3: Cross multiply
    3,297.15x = 4,550.31 × 1,971.59
  4. Step 4: Simplify right side
    3,297.15x = 8,971,322.94
  5. Step 5: Solve for x
    x = 8,971,322.94/3,297.15
  6. Step 6: Final answer
    x = 2,720.93

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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.