Home / 6,783.72-9,361.26-3,951.18

Finding the Fourth Proportional to 6,783.72, 9,361.26 and 3,951.18

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Solution

The fourth proportional to 6,783.72, 9,361.26 and 3,951.18 is: 5,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.72 : 9,361.26 = 3,951.18 : x
  2. Step 2: Convert to fraction form
    6,783.72/9,361.26 = 3,951.18/x
  3. Step 3: Cross multiply
    6,783.72x = 9,361.26 × 3,951.18
  4. Step 4: Simplify right side
    6,783.72x = 36,988,023.29
  5. Step 5: Solve for x
    x = 36,988,023.29/6,783.72
  6. Step 6: Final answer
    x = 5,452.47

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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.