Home / 4,805.10-6,630.97-2,815.84

Finding the Fourth Proportional to 4,805.10, 6,630.97 and 2,815.84

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Solution

The fourth proportional to 4,805.10, 6,630.97 and 2,815.84 is: 3,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.10 : 6,630.97 = 2,815.84 : x
  2. Step 2: Convert to fraction form
    4,805.10/6,630.97 = 2,815.84/x
  3. Step 3: Cross multiply
    4,805.10x = 6,630.97 × 2,815.84
  4. Step 4: Simplify right side
    4,805.10x = 18,671,750.56
  5. Step 5: Solve for x
    x = 18,671,750.56/4,805.10
  6. Step 6: Final answer
    x = 3,885.82

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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.