Home / 3,266.48-4,513.38-2,872.82

Finding the Fourth Proportional to 3,266.48, 4,513.38 and 2,872.82

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Solution

The fourth proportional to 3,266.48, 4,513.38 and 2,872.82 is: 3,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.48 : 4,513.38 = 2,872.82 : x
  2. Step 2: Convert to fraction form
    3,266.48/4,513.38 = 2,872.82/x
  3. Step 3: Cross multiply
    3,266.48x = 4,513.38 × 2,872.82
  4. Step 4: Simplify right side
    3,266.48x = 12,966,128.33
  5. Step 5: Solve for x
    x = 12,966,128.33/3,266.48
  6. Step 6: Final answer
    x = 3,969.45

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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.