Home / 2,977.37-4,108.25-1,797.65

Finding the Fourth Proportional to 2,977.37, 4,108.25 and 1,797.65

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Solution

The fourth proportional to 2,977.37, 4,108.25 and 1,797.65 is: 2,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.37 : 4,108.25 = 1,797.65 : x
  2. Step 2: Convert to fraction form
    2,977.37/4,108.25 = 1,797.65/x
  3. Step 3: Cross multiply
    2,977.37x = 4,108.25 × 1,797.65
  4. Step 4: Simplify right side
    2,977.37x = 7,385,186.62
  5. Step 5: Solve for x
    x = 7,385,186.62/2,977.37
  6. Step 6: Final answer
    x = 2,480.44

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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.