Home / 4,178.82-5,762.97-2,999.46

Finding the Fourth Proportional to 4,178.82, 5,762.97 and 2,999.46

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Solution

The fourth proportional to 4,178.82, 5,762.97 and 2,999.46 is: 4,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.82 : 5,762.97 = 2,999.46 : x
  2. Step 2: Convert to fraction form
    4,178.82/5,762.97 = 2,999.46/x
  3. Step 3: Cross multiply
    4,178.82x = 5,762.97 × 2,999.46
  4. Step 4: Simplify right side
    4,178.82x = 17,285,798.00
  5. Step 5: Solve for x
    x = 17,285,798.00/4,178.82
  6. Step 6: Final answer
    x = 4,136.53

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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.