Home / 5,328.36-7,992.51-3,480.33

Finding the Fourth Proportional to 5,328.36, 7,992.51 and 3,480.33

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Solution

The fourth proportional to 5,328.36, 7,992.51 and 3,480.33 is: 5,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.36 : 7,992.51 = 3,480.33 : x
  2. Step 2: Convert to fraction form
    5,328.36/7,992.51 = 3,480.33/x
  3. Step 3: Cross multiply
    5,328.36x = 7,992.51 × 3,480.33
  4. Step 4: Simplify right side
    5,328.36x = 27,816,572.33
  5. Step 5: Solve for x
    x = 27,816,572.33/5,328.36
  6. Step 6: Final answer
    x = 5,220.48

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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.