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Finding the Fourth Proportional to 2,995.97, 4,134.51 and 1,669.65

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Solution

The fourth proportional to 2,995.97, 4,134.51 and 1,669.65 is: 2,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.97 : 4,134.51 = 1,669.65 : x
  2. Step 2: Convert to fraction form
    2,995.97/4,134.51 = 1,669.65/x
  3. Step 3: Cross multiply
    2,995.97x = 4,134.51 × 1,669.65
  4. Step 4: Simplify right side
    2,995.97x = 6,903,184.62
  5. Step 5: Solve for x
    x = 6,903,184.62/2,995.97
  6. Step 6: Final answer
    x = 2,304.16

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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.