Home / 4,904.82-6,765.66-3,135.78

Finding the Fourth Proportional to 4,904.82, 6,765.66 and 3,135.78

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Solution

The fourth proportional to 4,904.82, 6,765.66 and 3,135.78 is: 4,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.82 : 6,765.66 = 3,135.78 : x
  2. Step 2: Convert to fraction form
    4,904.82/6,765.66 = 3,135.78/x
  3. Step 3: Cross multiply
    4,904.82x = 6,765.66 × 3,135.78
  4. Step 4: Simplify right side
    4,904.82x = 21,215,621.31
  5. Step 5: Solve for x
    x = 21,215,621.31/4,904.82
  6. Step 6: Final answer
    x = 4,325.46

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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.