Home / 4,986.96-6,882.16-2,748.96

Finding the Fourth Proportional to 4,986.96, 6,882.16 and 2,748.96

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Solution

The fourth proportional to 4,986.96, 6,882.16 and 2,748.96 is: 3,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.96 : 6,882.16 = 2,748.96 : x
  2. Step 2: Convert to fraction form
    4,986.96/6,882.16 = 2,748.96/x
  3. Step 3: Cross multiply
    4,986.96x = 6,882.16 × 2,748.96
  4. Step 4: Simplify right side
    4,986.96x = 18,918,782.55
  5. Step 5: Solve for x
    x = 18,918,782.55/4,986.96
  6. Step 6: Final answer
    x = 3,793.65

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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.