Home / 3,415.07-5,124.09-2,182.16

Finding the Fourth Proportional to 3,415.07, 5,124.09 and 2,182.16

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Solution

The fourth proportional to 3,415.07, 5,124.09 and 2,182.16 is: 3,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.07 : 5,124.09 = 2,182.16 : x
  2. Step 2: Convert to fraction form
    3,415.07/5,124.09 = 2,182.16/x
  3. Step 3: Cross multiply
    3,415.07x = 5,124.09 × 2,182.16
  4. Step 4: Simplify right side
    3,415.07x = 11,181,584.23
  5. Step 5: Solve for x
    x = 11,181,584.23/3,415.07
  6. Step 6: Final answer
    x = 3,274.19

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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.