Home / 4,916.92-6,783.60-2,819.83

Finding the Fourth Proportional to 4,916.92, 6,783.60 and 2,819.83

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Solution

The fourth proportional to 4,916.92, 6,783.60 and 2,819.83 is: 3,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.92 : 6,783.60 = 2,819.83 : x
  2. Step 2: Convert to fraction form
    4,916.92/6,783.60 = 2,819.83/x
  3. Step 3: Cross multiply
    4,916.92x = 6,783.60 × 2,819.83
  4. Step 4: Simplify right side
    4,916.92x = 19,128,598.79
  5. Step 5: Solve for x
    x = 19,128,598.79/4,916.92
  6. Step 6: Final answer
    x = 3,890.36

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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.