Home / 5,430.44-7,493.63-3,072.42

Finding the Fourth Proportional to 5,430.44, 7,493.63 and 3,072.42

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Solution

The fourth proportional to 5,430.44, 7,493.63 and 3,072.42 is: 4,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.44 : 7,493.63 = 3,072.42 : x
  2. Step 2: Convert to fraction form
    5,430.44/7,493.63 = 3,072.42/x
  3. Step 3: Cross multiply
    5,430.44x = 7,493.63 × 3,072.42
  4. Step 4: Simplify right side
    5,430.44x = 23,023,586.37
  5. Step 5: Solve for x
    x = 23,023,586.37/5,430.44
  6. Step 6: Final answer
    x = 4,239.73

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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.