Home / 2,762.52-4,137.30-2,146.92

Finding the Fourth Proportional to 2,762.52, 4,137.30 and 2,146.92

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Solution

The fourth proportional to 2,762.52, 4,137.30 and 2,146.92 is: 3,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.52 : 4,137.30 = 2,146.92 : x
  2. Step 2: Convert to fraction form
    2,762.52/4,137.30 = 2,146.92/x
  3. Step 3: Cross multiply
    2,762.52x = 4,137.30 × 2,146.92
  4. Step 4: Simplify right side
    2,762.52x = 8,882,452.12
  5. Step 5: Solve for x
    x = 8,882,452.12/2,762.52
  6. Step 6: Final answer
    x = 3,215.34

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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.