Home / 3,282.66-4,530.33-1,866.79

Finding the Fourth Proportional to 3,282.66, 4,530.33 and 1,866.79

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Solution

The fourth proportional to 3,282.66, 4,530.33 and 1,866.79 is: 2,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.66 : 4,530.33 = 1,866.79 : x
  2. Step 2: Convert to fraction form
    3,282.66/4,530.33 = 1,866.79/x
  3. Step 3: Cross multiply
    3,282.66x = 4,530.33 × 1,866.79
  4. Step 4: Simplify right side
    3,282.66x = 8,457,152.09
  5. Step 5: Solve for x
    x = 8,457,152.09/3,282.66
  6. Step 6: Final answer
    x = 2,576.31

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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.