Home / 5,622.96-8,428.44-2,851.68

Finding the Fourth Proportional to 5,622.96, 8,428.44 and 2,851.68

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Solution

The fourth proportional to 5,622.96, 8,428.44 and 2,851.68 is: 4,274.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.96 : 8,428.44 = 2,851.68 : x
  2. Step 2: Convert to fraction form
    5,622.96/8,428.44 = 2,851.68/x
  3. Step 3: Cross multiply
    5,622.96x = 8,428.44 × 2,851.68
  4. Step 4: Simplify right side
    5,622.96x = 24,035,213.78
  5. Step 5: Solve for x
    x = 24,035,213.78/5,622.96
  6. Step 6: Final answer
    x = 4,274.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.