Home / 4,965.12-6,850.76-2,868.88

Finding the Fourth Proportional to 4,965.12, 6,850.76 and 2,868.88

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Solution

The fourth proportional to 4,965.12, 6,850.76 and 2,868.88 is: 3,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.12 : 6,850.76 = 2,868.88 : x
  2. Step 2: Convert to fraction form
    4,965.12/6,850.76 = 2,868.88/x
  3. Step 3: Cross multiply
    4,965.12x = 6,850.76 × 2,868.88
  4. Step 4: Simplify right side
    4,965.12x = 19,654,008.35
  5. Step 5: Solve for x
    x = 19,654,008.35/4,965.12
  6. Step 6: Final answer
    x = 3,958.42

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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.