Home / 3,191.24-4,400.96-2,071

Finding the Fourth Proportional to 3,191.24, 4,400.96 and 2,071

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Solution

The fourth proportional to 3,191.24, 4,400.96 and 2,071 is: 2,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.24 : 4,400.96 = 2,071 : x
  2. Step 2: Convert to fraction form
    3,191.24/4,400.96 = 2,071/x
  3. Step 3: Cross multiply
    3,191.24x = 4,400.96 × 2,071
  4. Step 4: Simplify right side
    3,191.24x = 9,114,388.16
  5. Step 5: Solve for x
    x = 9,114,388.16/3,191.24
  6. Step 6: Final answer
    x = 2,856.06

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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.