Home / 3,021.81-4,168.38-2,424.98

Finding the Fourth Proportional to 3,021.81, 4,168.38 and 2,424.98

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Solution

The fourth proportional to 3,021.81, 4,168.38 and 2,424.98 is: 3,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.81 : 4,168.38 = 2,424.98 : x
  2. Step 2: Convert to fraction form
    3,021.81/4,168.38 = 2,424.98/x
  3. Step 3: Cross multiply
    3,021.81x = 4,168.38 × 2,424.98
  4. Step 4: Simplify right side
    3,021.81x = 10,108,220.56
  5. Step 5: Solve for x
    x = 10,108,220.56/3,021.81
  6. Step 6: Final answer
    x = 3,345.09

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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.