Home / 3,100.68-4,276.80-2,967.84

Finding the Fourth Proportional to 3,100.68, 4,276.80 and 2,967.84

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Solution

The fourth proportional to 3,100.68, 4,276.80 and 2,967.84 is: 4,093.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.68 : 4,276.80 = 2,967.84 : x
  2. Step 2: Convert to fraction form
    3,100.68/4,276.80 = 2,967.84/x
  3. Step 3: Cross multiply
    3,100.68x = 4,276.80 × 2,967.84
  4. Step 4: Simplify right side
    3,100.68x = 12,692,858.11
  5. Step 5: Solve for x
    x = 12,692,858.11/3,100.68
  6. Step 6: Final answer
    x = 4,093.57

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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.