Home / 7,110.36-10,667.59-2,180.73

Finding the Fourth Proportional to 7,110.36, 10,667.59 and 2,180.73

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Solution

The fourth proportional to 7,110.36, 10,667.59 and 2,180.73 is: 3,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.36 : 10,667.59 = 2,180.73 : x
  2. Step 2: Convert to fraction form
    7,110.36/10,667.59 = 2,180.73/x
  3. Step 3: Cross multiply
    7,110.36x = 10,667.59 × 2,180.73
  4. Step 4: Simplify right side
    7,110.36x = 23,263,080.20
  5. Step 5: Solve for x
    x = 23,263,080.20/7,110.36
  6. Step 6: Final answer
    x = 3,271.72

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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.