Home / 3,362.80-4,641.96-3,012.88

Finding the Fourth Proportional to 3,362.80, 4,641.96 and 3,012.88

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Solution

The fourth proportional to 3,362.80, 4,641.96 and 3,012.88 is: 4,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.80 : 4,641.96 = 3,012.88 : x
  2. Step 2: Convert to fraction form
    3,362.80/4,641.96 = 3,012.88/x
  3. Step 3: Cross multiply
    3,362.80x = 4,641.96 × 3,012.88
  4. Step 4: Simplify right side
    3,362.80x = 13,985,668.44
  5. Step 5: Solve for x
    x = 13,985,668.44/3,362.80
  6. Step 6: Final answer
    x = 4,158.94

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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.