Home / 4,965.09-6,802.26-4,778.28

Finding the Fourth Proportional to 4,965.09, 6,802.26 and 4,778.28

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Solution

The fourth proportional to 4,965.09, 6,802.26 and 4,778.28 is: 6,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.09 : 6,802.26 = 4,778.28 : x
  2. Step 2: Convert to fraction form
    4,965.09/6,802.26 = 4,778.28/x
  3. Step 3: Cross multiply
    4,965.09x = 6,802.26 × 4,778.28
  4. Step 4: Simplify right side
    4,965.09x = 32,503,102.91
  5. Step 5: Solve for x
    x = 32,503,102.91/4,965.09
  6. Step 6: Final answer
    x = 6,546.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.