Home / 3,995.12-5,513.04-2,202.59

Finding the Fourth Proportional to 3,995.12, 5,513.04 and 2,202.59

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Solution

The fourth proportional to 3,995.12, 5,513.04 and 2,202.59 is: 3,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.12 : 5,513.04 = 2,202.59 : x
  2. Step 2: Convert to fraction form
    3,995.12/5,513.04 = 2,202.59/x
  3. Step 3: Cross multiply
    3,995.12x = 5,513.04 × 2,202.59
  4. Step 4: Simplify right side
    3,995.12x = 12,142,939.21
  5. Step 5: Solve for x
    x = 12,142,939.21/3,995.12
  6. Step 6: Final answer
    x = 3,039.45

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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.