Home / 3,300.75-4,555.44-1,973.97

Finding the Fourth Proportional to 3,300.75, 4,555.44 and 1,973.97

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Solution

The fourth proportional to 3,300.75, 4,555.44 and 1,973.97 is: 2,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.75 : 4,555.44 = 1,973.97 : x
  2. Step 2: Convert to fraction form
    3,300.75/4,555.44 = 1,973.97/x
  3. Step 3: Cross multiply
    3,300.75x = 4,555.44 × 1,973.97
  4. Step 4: Simplify right side
    3,300.75x = 8,992,301.90
  5. Step 5: Solve for x
    x = 8,992,301.90/3,300.75
  6. Step 6: Final answer
    x = 2,724.32

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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.