Home / 5,851.25-8,778.42-2,103.41

Finding the Fourth Proportional to 5,851.25, 8,778.42 and 2,103.41

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Solution

The fourth proportional to 5,851.25, 8,778.42 and 2,103.41 is: 3,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.25 : 8,778.42 = 2,103.41 : x
  2. Step 2: Convert to fraction form
    5,851.25/8,778.42 = 2,103.41/x
  3. Step 3: Cross multiply
    5,851.25x = 8,778.42 × 2,103.41
  4. Step 4: Simplify right side
    5,851.25x = 18,464,630.47
  5. Step 5: Solve for x
    x = 18,464,630.47/5,851.25
  6. Step 6: Final answer
    x = 3,155.67

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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.