Home / 3,492.60-4,819.78-2,313.67

Finding the Fourth Proportional to 3,492.60, 4,819.78 and 2,313.67

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Solution

The fourth proportional to 3,492.60, 4,819.78 and 2,313.67 is: 3,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.60 : 4,819.78 = 2,313.67 : x
  2. Step 2: Convert to fraction form
    3,492.60/4,819.78 = 2,313.67/x
  3. Step 3: Cross multiply
    3,492.60x = 4,819.78 × 2,313.67
  4. Step 4: Simplify right side
    3,492.60x = 11,151,380.39
  5. Step 5: Solve for x
    x = 11,151,380.39/3,492.60
  6. Step 6: Final answer
    x = 3,192.86

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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.