Home / 4,842.20-6,680.02-3,163.16

Finding the Fourth Proportional to 4,842.20, 6,680.02 and 3,163.16

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Solution

The fourth proportional to 4,842.20, 6,680.02 and 3,163.16 is: 4,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.20 : 6,680.02 = 3,163.16 : x
  2. Step 2: Convert to fraction form
    4,842.20/6,680.02 = 3,163.16/x
  3. Step 3: Cross multiply
    4,842.20x = 6,680.02 × 3,163.16
  4. Step 4: Simplify right side
    4,842.20x = 21,129,972.06
  5. Step 5: Solve for x
    x = 21,129,972.06/4,842.20
  6. Step 6: Final answer
    x = 4,363.71

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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.