Home / 5,161.36-7,124.88-3,066.16

Finding the Fourth Proportional to 5,161.36, 7,124.88 and 3,066.16

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Solution

The fourth proportional to 5,161.36, 7,124.88 and 3,066.16 is: 4,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.36 : 7,124.88 = 3,066.16 : x
  2. Step 2: Convert to fraction form
    5,161.36/7,124.88 = 3,066.16/x
  3. Step 3: Cross multiply
    5,161.36x = 7,124.88 × 3,066.16
  4. Step 4: Simplify right side
    5,161.36x = 21,846,022.06
  5. Step 5: Solve for x
    x = 21,846,022.06/5,161.36
  6. Step 6: Final answer
    x = 4,232.61

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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.