Home / 5,622.14-8,438.35-2,850.72

Finding the Fourth Proportional to 5,622.14, 8,438.35 and 2,850.72

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Solution

The fourth proportional to 5,622.14, 8,438.35 and 2,850.72 is: 4,278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.14 : 8,438.35 = 2,850.72 : x
  2. Step 2: Convert to fraction form
    5,622.14/8,438.35 = 2,850.72/x
  3. Step 3: Cross multiply
    5,622.14x = 8,438.35 × 2,850.72
  4. Step 4: Simplify right side
    5,622.14x = 24,055,371.28
  5. Step 5: Solve for x
    x = 24,055,371.28/5,622.14
  6. Step 6: Final answer
    x = 4,278.69

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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.