Home / 3,006.06-4,149.05-1,680.27

Finding the Fourth Proportional to 3,006.06, 4,149.05 and 1,680.27

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Solution

The fourth proportional to 3,006.06, 4,149.05 and 1,680.27 is: 2,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.06 : 4,149.05 = 1,680.27 : x
  2. Step 2: Convert to fraction form
    3,006.06/4,149.05 = 1,680.27/x
  3. Step 3: Cross multiply
    3,006.06x = 4,149.05 × 1,680.27
  4. Step 4: Simplify right side
    3,006.06x = 6,971,507.70
  5. Step 5: Solve for x
    x = 6,971,507.70/3,006.06
  6. Step 6: Final answer
    x = 2,319.16

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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.