Home / 3,966.09-5,475.77-2,550.41

Finding the Fourth Proportional to 3,966.09, 5,475.77 and 2,550.41

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Solution

The fourth proportional to 3,966.09, 5,475.77 and 2,550.41 is: 3,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.09 : 5,475.77 = 2,550.41 : x
  2. Step 2: Convert to fraction form
    3,966.09/5,475.77 = 2,550.41/x
  3. Step 3: Cross multiply
    3,966.09x = 5,475.77 × 2,550.41
  4. Step 4: Simplify right side
    3,966.09x = 13,965,458.57
  5. Step 5: Solve for x
    x = 13,965,458.57/3,966.09
  6. Step 6: Final answer
    x = 3,521.22

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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.