Home / 3,131.08-4,316.97-2,010.04

Finding the Fourth Proportional to 3,131.08, 4,316.97 and 2,010.04

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Solution

The fourth proportional to 3,131.08, 4,316.97 and 2,010.04 is: 2,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.08 : 4,316.97 = 2,010.04 : x
  2. Step 2: Convert to fraction form
    3,131.08/4,316.97 = 2,010.04/x
  3. Step 3: Cross multiply
    3,131.08x = 4,316.97 × 2,010.04
  4. Step 4: Simplify right side
    3,131.08x = 8,677,282.38
  5. Step 5: Solve for x
    x = 8,677,282.38/3,131.08
  6. Step 6: Final answer
    x = 2,771.34

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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.