Home / 7,331.20-10,992.36-2,883.56

Finding the Fourth Proportional to 7,331.20, 10,992.36 and 2,883.56

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Solution

The fourth proportional to 7,331.20, 10,992.36 and 2,883.56 is: 4,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.20 : 10,992.36 = 2,883.56 : x
  2. Step 2: Convert to fraction form
    7,331.20/10,992.36 = 2,883.56/x
  3. Step 3: Cross multiply
    7,331.20x = 10,992.36 × 2,883.56
  4. Step 4: Simplify right side
    7,331.20x = 31,697,129.60
  5. Step 5: Solve for x
    x = 31,697,129.60/7,331.20
  6. Step 6: Final answer
    x = 4,323.59

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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.