Home / 4,076.80-6,113.40-1,610.80

Finding the Fourth Proportional to 4,076.80, 6,113.40 and 1,610.80

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Solution

The fourth proportional to 4,076.80, 6,113.40 and 1,610.80 is: 2,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.80 : 6,113.40 = 1,610.80 : x
  2. Step 2: Convert to fraction form
    4,076.80/6,113.40 = 1,610.80/x
  3. Step 3: Cross multiply
    4,076.80x = 6,113.40 × 1,610.80
  4. Step 4: Simplify right side
    4,076.80x = 9,847,464.72
  5. Step 5: Solve for x
    x = 9,847,464.72/4,076.80
  6. Step 6: Final answer
    x = 2,415.49

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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.