Home / 5,133.22-7,083.87-3,245.63

Finding the Fourth Proportional to 5,133.22, 7,083.87 and 3,245.63

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Solution

The fourth proportional to 5,133.22, 7,083.87 and 3,245.63 is: 4,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.22 : 7,083.87 = 3,245.63 : x
  2. Step 2: Convert to fraction form
    5,133.22/7,083.87 = 3,245.63/x
  3. Step 3: Cross multiply
    5,133.22x = 7,083.87 × 3,245.63
  4. Step 4: Simplify right side
    5,133.22x = 22,991,604.76
  5. Step 5: Solve for x
    x = 22,991,604.76/5,133.22
  6. Step 6: Final answer
    x = 4,478.98

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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.