Home / 3,311.23-4,569.60-1,819.24

Finding the Fourth Proportional to 3,311.23, 4,569.60 and 1,819.24

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Solution

The fourth proportional to 3,311.23, 4,569.60 and 1,819.24 is: 2,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.23 : 4,569.60 = 1,819.24 : x
  2. Step 2: Convert to fraction form
    3,311.23/4,569.60 = 1,819.24/x
  3. Step 3: Cross multiply
    3,311.23x = 4,569.60 × 1,819.24
  4. Step 4: Simplify right side
    3,311.23x = 8,313,199.10
  5. Step 5: Solve for x
    x = 8,313,199.10/3,311.23
  6. Step 6: Final answer
    x = 2,510.61

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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.