Home / 4,771.36-7,147.24-2,298.88

Finding the Fourth Proportional to 4,771.36, 7,147.24 and 2,298.88

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Solution

The fourth proportional to 4,771.36, 7,147.24 and 2,298.88 is: 3,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.36 : 7,147.24 = 2,298.88 : x
  2. Step 2: Convert to fraction form
    4,771.36/7,147.24 = 2,298.88/x
  3. Step 3: Cross multiply
    4,771.36x = 7,147.24 × 2,298.88
  4. Step 4: Simplify right side
    4,771.36x = 16,430,647.09
  5. Step 5: Solve for x
    x = 16,430,647.09/4,771.36
  6. Step 6: Final answer
    x = 3,443.60

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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.