Home / 3,674.81-5,067.87-2,415.36

Finding the Fourth Proportional to 3,674.81, 5,067.87 and 2,415.36

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Solution

The fourth proportional to 3,674.81, 5,067.87 and 2,415.36 is: 3,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.81 : 5,067.87 = 2,415.36 : x
  2. Step 2: Convert to fraction form
    3,674.81/5,067.87 = 2,415.36/x
  3. Step 3: Cross multiply
    3,674.81x = 5,067.87 × 2,415.36
  4. Step 4: Simplify right side
    3,674.81x = 12,240,730.48
  5. Step 5: Solve for x
    x = 12,240,730.48/3,674.81
  6. Step 6: Final answer
    x = 3,330.99

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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.