Home / 3,190.11-4,401.96-1,862.85

Finding the Fourth Proportional to 3,190.11, 4,401.96 and 1,862.85

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Solution

The fourth proportional to 3,190.11, 4,401.96 and 1,862.85 is: 2,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.11 : 4,401.96 = 1,862.85 : x
  2. Step 2: Convert to fraction form
    3,190.11/4,401.96 = 1,862.85/x
  3. Step 3: Cross multiply
    3,190.11x = 4,401.96 × 1,862.85
  4. Step 4: Simplify right side
    3,190.11x = 8,200,191.19
  5. Step 5: Solve for x
    x = 8,200,191.19/3,190.11
  6. Step 6: Final answer
    x = 2,570.50

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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.