Home / 3,660.45-5,053.86-2,467.21

Finding the Fourth Proportional to 3,660.45, 5,053.86 and 2,467.21

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Solution

The fourth proportional to 3,660.45, 5,053.86 and 2,467.21 is: 3,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.45 : 5,053.86 = 2,467.21 : x
  2. Step 2: Convert to fraction form
    3,660.45/5,053.86 = 2,467.21/x
  3. Step 3: Cross multiply
    3,660.45x = 5,053.86 × 2,467.21
  4. Step 4: Simplify right side
    3,660.45x = 12,468,940.25
  5. Step 5: Solve for x
    x = 12,468,940.25/3,660.45
  6. Step 6: Final answer
    x = 3,406.40

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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.