Home / 4,881.20-7,300.20-4,103.60

Finding the Fourth Proportional to 4,881.20, 7,300.20 and 4,103.60

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Solution

The fourth proportional to 4,881.20, 7,300.20 and 4,103.60 is: 6,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.20 : 7,300.20 = 4,103.60 : x
  2. Step 2: Convert to fraction form
    4,881.20/7,300.20 = 4,103.60/x
  3. Step 3: Cross multiply
    4,881.20x = 7,300.20 × 4,103.60
  4. Step 4: Simplify right side
    4,881.20x = 29,957,100.72
  5. Step 5: Solve for x
    x = 29,957,100.72/4,881.20
  6. Step 6: Final answer
    x = 6,137.24

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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.