Home / 4,836.60-6,673.98-2,847.78

Finding the Fourth Proportional to 4,836.60, 6,673.98 and 2,847.78

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Solution

The fourth proportional to 4,836.60, 6,673.98 and 2,847.78 is: 3,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.60 : 6,673.98 = 2,847.78 : x
  2. Step 2: Convert to fraction form
    4,836.60/6,673.98 = 2,847.78/x
  3. Step 3: Cross multiply
    4,836.60x = 6,673.98 × 2,847.78
  4. Step 4: Simplify right side
    4,836.60x = 19,006,026.76
  5. Step 5: Solve for x
    x = 19,006,026.76/4,836.60
  6. Step 6: Final answer
    x = 3,929.63

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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.