Home / 3,086.47-4,259.22-1,760.60

Finding the Fourth Proportional to 3,086.47, 4,259.22 and 1,760.60

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Solution

The fourth proportional to 3,086.47, 4,259.22 and 1,760.60 is: 2,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.47 : 4,259.22 = 1,760.60 : x
  2. Step 2: Convert to fraction form
    3,086.47/4,259.22 = 1,760.60/x
  3. Step 3: Cross multiply
    3,086.47x = 4,259.22 × 1,760.60
  4. Step 4: Simplify right side
    3,086.47x = 7,498,772.08
  5. Step 5: Solve for x
    x = 7,498,772.08/3,086.47
  6. Step 6: Final answer
    x = 2,429.56

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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.