Home / 4,928.26-6,800.96-2,690.12

Finding the Fourth Proportional to 4,928.26, 6,800.96 and 2,690.12

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Solution

The fourth proportional to 4,928.26, 6,800.96 and 2,690.12 is: 3,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.26 : 6,800.96 = 2,690.12 : x
  2. Step 2: Convert to fraction form
    4,928.26/6,800.96 = 2,690.12/x
  3. Step 3: Cross multiply
    4,928.26x = 6,800.96 × 2,690.12
  4. Step 4: Simplify right side
    4,928.26x = 18,295,422.24
  5. Step 5: Solve for x
    x = 18,295,422.24/4,928.26
  6. Step 6: Final answer
    x = 3,712.35

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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.