Home / 4,311.12-5,948.46-2,821.24

Finding the Fourth Proportional to 4,311.12, 5,948.46 and 2,821.24

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Solution

The fourth proportional to 4,311.12, 5,948.46 and 2,821.24 is: 3,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.12 : 5,948.46 = 2,821.24 : x
  2. Step 2: Convert to fraction form
    4,311.12/5,948.46 = 2,821.24/x
  3. Step 3: Cross multiply
    4,311.12x = 5,948.46 × 2,821.24
  4. Step 4: Simplify right side
    4,311.12x = 16,782,033.29
  5. Step 5: Solve for x
    x = 16,782,033.29/4,311.12
  6. Step 6: Final answer
    x = 3,892.73

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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.