Home / 4,995.49-7,493.26-3,900.78

Finding the Fourth Proportional to 4,995.49, 7,493.26 and 3,900.78

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Solution

The fourth proportional to 4,995.49, 7,493.26 and 3,900.78 is: 5,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.49 : 7,493.26 = 3,900.78 : x
  2. Step 2: Convert to fraction form
    4,995.49/7,493.26 = 3,900.78/x
  3. Step 3: Cross multiply
    4,995.49x = 7,493.26 × 3,900.78
  4. Step 4: Simplify right side
    4,995.49x = 29,229,558.74
  5. Step 5: Solve for x
    x = 29,229,558.74/4,995.49
  6. Step 6: Final answer
    x = 5,851.19

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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.