Home / 4,842.28-6,682.63-2,718.50

Finding the Fourth Proportional to 4,842.28, 6,682.63 and 2,718.50

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Solution

The fourth proportional to 4,842.28, 6,682.63 and 2,718.50 is: 3,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.28 : 6,682.63 = 2,718.50 : x
  2. Step 2: Convert to fraction form
    4,842.28/6,682.63 = 2,718.50/x
  3. Step 3: Cross multiply
    4,842.28x = 6,682.63 × 2,718.50
  4. Step 4: Simplify right side
    4,842.28x = 18,166,729.66
  5. Step 5: Solve for x
    x = 18,166,729.66/4,842.28
  6. Step 6: Final answer
    x = 3,751.69

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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.