Home / 6,919.56-9,548.96-3,775.75

Finding the Fourth Proportional to 6,919.56, 9,548.96 and 3,775.75

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Solution

The fourth proportional to 6,919.56, 9,548.96 and 3,775.75 is: 5,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.56 : 9,548.96 = 3,775.75 : x
  2. Step 2: Convert to fraction form
    6,919.56/9,548.96 = 3,775.75/x
  3. Step 3: Cross multiply
    6,919.56x = 9,548.96 × 3,775.75
  4. Step 4: Simplify right side
    6,919.56x = 36,054,442.97
  5. Step 5: Solve for x
    x = 36,054,442.97/6,919.56
  6. Step 6: Final answer
    x = 5,210.51

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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.