Home / 2,818.44-4,191.86-2,763.18

Finding the Fourth Proportional to 2,818.44, 4,191.86 and 2,763.18

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Solution

The fourth proportional to 2,818.44, 4,191.86 and 2,763.18 is: 4,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.44 : 4,191.86 = 2,763.18 : x
  2. Step 2: Convert to fraction form
    2,818.44/4,191.86 = 2,763.18/x
  3. Step 3: Cross multiply
    2,818.44x = 4,191.86 × 2,763.18
  4. Step 4: Simplify right side
    2,818.44x = 11,582,849.90
  5. Step 5: Solve for x
    x = 11,582,849.90/2,818.44
  6. Step 6: Final answer
    x = 4,109.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.