Home / 3,208.06-4,426.41-1,881.69

Finding the Fourth Proportional to 3,208.06, 4,426.41 and 1,881.69

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Solution

The fourth proportional to 3,208.06, 4,426.41 and 1,881.69 is: 2,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.06 : 4,426.41 = 1,881.69 : x
  2. Step 2: Convert to fraction form
    3,208.06/4,426.41 = 1,881.69/x
  3. Step 3: Cross multiply
    3,208.06x = 4,426.41 × 1,881.69
  4. Step 4: Simplify right side
    3,208.06x = 8,329,131.43
  5. Step 5: Solve for x
    x = 8,329,131.43/3,208.06
  6. Step 6: Final answer
    x = 2,596.31

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Half scale
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Double scale
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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.