Home / 6,927.57-9,560.16-3,783.78

Finding the Fourth Proportional to 6,927.57, 9,560.16 and 3,783.78

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Solution

The fourth proportional to 6,927.57, 9,560.16 and 3,783.78 is: 5,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.57 : 9,560.16 = 3,783.78 : x
  2. Step 2: Convert to fraction form
    6,927.57/9,560.16 = 3,783.78/x
  3. Step 3: Cross multiply
    6,927.57x = 9,560.16 × 3,783.78
  4. Step 4: Simplify right side
    6,927.57x = 36,173,542.20
  5. Step 5: Solve for x
    x = 36,173,542.20/6,927.57
  6. Step 6: Final answer
    x = 5,221.68

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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.