Home / 6,920.51-10,383.80-3,632.81

Finding the Fourth Proportional to 6,920.51, 10,383.80 and 3,632.81

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Solution

The fourth proportional to 6,920.51, 10,383.80 and 3,632.81 is: 5,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.51 : 10,383.80 = 3,632.81 : x
  2. Step 2: Convert to fraction form
    6,920.51/10,383.80 = 3,632.81/x
  3. Step 3: Cross multiply
    6,920.51x = 10,383.80 × 3,632.81
  4. Step 4: Simplify right side
    6,920.51x = 37,722,302.39
  5. Step 5: Solve for x
    x = 37,722,302.39/6,920.51
  6. Step 6: Final answer
    x = 5,450.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.