Home / 5,112.64-7,053.24-3,222.73

Finding the Fourth Proportional to 5,112.64, 7,053.24 and 3,222.73

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Solution

The fourth proportional to 5,112.64, 7,053.24 and 3,222.73 is: 4,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.64 : 7,053.24 = 3,222.73 : x
  2. Step 2: Convert to fraction form
    5,112.64/7,053.24 = 3,222.73/x
  3. Step 3: Cross multiply
    5,112.64x = 7,053.24 × 3,222.73
  4. Step 4: Simplify right side
    5,112.64x = 22,730,688.15
  5. Step 5: Solve for x
    x = 22,730,688.15/5,112.64
  6. Step 6: Final answer
    x = 4,445.98

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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.