Home / 4,841.25-6,680.28-2,687.76

Finding the Fourth Proportional to 4,841.25, 6,680.28 and 2,687.76

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Solution

The fourth proportional to 4,841.25, 6,680.28 and 2,687.76 is: 3,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.25 : 6,680.28 = 2,687.76 : x
  2. Step 2: Convert to fraction form
    4,841.25/6,680.28 = 2,687.76/x
  3. Step 3: Cross multiply
    4,841.25x = 6,680.28 × 2,687.76
  4. Step 4: Simplify right side
    4,841.25x = 17,954,989.37
  5. Step 5: Solve for x
    x = 17,954,989.37/4,841.25
  6. Step 6: Final answer
    x = 3,708.75

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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.