Home / 4,179.45-5,767.49-2,290.98

Finding the Fourth Proportional to 4,179.45, 5,767.49 and 2,290.98

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Solution

The fourth proportional to 4,179.45, 5,767.49 and 2,290.98 is: 3,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.45 : 5,767.49 = 2,290.98 : x
  2. Step 2: Convert to fraction form
    4,179.45/5,767.49 = 2,290.98/x
  3. Step 3: Cross multiply
    4,179.45x = 5,767.49 × 2,290.98
  4. Step 4: Simplify right side
    4,179.45x = 13,213,192.79
  5. Step 5: Solve for x
    x = 13,213,192.79/4,179.45
  6. Step 6: Final answer
    x = 3,161.47

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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.