Home / 3,191.58-4,782.24-2,095.11

Finding the Fourth Proportional to 3,191.58, 4,782.24 and 2,095.11

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Solution

The fourth proportional to 3,191.58, 4,782.24 and 2,095.11 is: 3,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.58 : 4,782.24 = 2,095.11 : x
  2. Step 2: Convert to fraction form
    3,191.58/4,782.24 = 2,095.11/x
  3. Step 3: Cross multiply
    3,191.58x = 4,782.24 × 2,095.11
  4. Step 4: Simplify right side
    3,191.58x = 10,019,318.85
  5. Step 5: Solve for x
    x = 10,019,318.85/3,191.58
  6. Step 6: Final answer
    x = 3,139.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.