Home / 3,177.45-4,384.49-1,760.94

Finding the Fourth Proportional to 3,177.45, 4,384.49 and 1,760.94

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Solution

The fourth proportional to 3,177.45, 4,384.49 and 1,760.94 is: 2,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.45 : 4,384.49 = 1,760.94 : x
  2. Step 2: Convert to fraction form
    3,177.45/4,384.49 = 1,760.94/x
  3. Step 3: Cross multiply
    3,177.45x = 4,384.49 × 1,760.94
  4. Step 4: Simplify right side
    3,177.45x = 7,720,815.02
  5. Step 5: Solve for x
    x = 7,720,815.02/3,177.45
  6. Step 6: Final answer
    x = 2,429.88

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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.