Home / 3,018.16-4,516.12-1,786.16

Finding the Fourth Proportional to 3,018.16, 4,516.12 and 1,786.16

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Solution

The fourth proportional to 3,018.16, 4,516.12 and 1,786.16 is: 2,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.16 : 4,516.12 = 1,786.16 : x
  2. Step 2: Convert to fraction form
    3,018.16/4,516.12 = 1,786.16/x
  3. Step 3: Cross multiply
    3,018.16x = 4,516.12 × 1,786.16
  4. Step 4: Simplify right side
    3,018.16x = 8,066,512.90
  5. Step 5: Solve for x
    x = 8,066,512.90/3,018.16
  6. Step 6: Final answer
    x = 2,672.66

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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.