Home / 3,133.44-4,321.08-2,641.23

Finding the Fourth Proportional to 3,133.44, 4,321.08 and 2,641.23

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Solution

The fourth proportional to 3,133.44, 4,321.08 and 2,641.23 is: 3,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.44 : 4,321.08 = 2,641.23 : x
  2. Step 2: Convert to fraction form
    3,133.44/4,321.08 = 2,641.23/x
  3. Step 3: Cross multiply
    3,133.44x = 4,321.08 × 2,641.23
  4. Step 4: Simplify right side
    3,133.44x = 11,412,966.13
  5. Step 5: Solve for x
    x = 11,412,966.13/3,133.44
  6. Step 6: Final answer
    x = 3,642.31

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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.