Home / 4,201.20-5,797.79-2,312.98

Finding the Fourth Proportional to 4,201.20, 5,797.79 and 2,312.98

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Solution

The fourth proportional to 4,201.20, 5,797.79 and 2,312.98 is: 3,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.20 : 5,797.79 = 2,312.98 : x
  2. Step 2: Convert to fraction form
    4,201.20/5,797.79 = 2,312.98/x
  3. Step 3: Cross multiply
    4,201.20x = 5,797.79 × 2,312.98
  4. Step 4: Simplify right side
    4,201.20x = 13,410,172.31
  5. Step 5: Solve for x
    x = 13,410,172.31/4,201.20
  6. Step 6: Final answer
    x = 3,191.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.