Home / 4,805.46-6,631.54-2,815.62

Finding the Fourth Proportional to 4,805.46, 6,631.54 and 2,815.62

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Solution

The fourth proportional to 4,805.46, 6,631.54 and 2,815.62 is: 3,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.46 : 6,631.54 = 2,815.62 : x
  2. Step 2: Convert to fraction form
    4,805.46/6,631.54 = 2,815.62/x
  3. Step 3: Cross multiply
    4,805.46x = 6,631.54 × 2,815.62
  4. Step 4: Simplify right side
    4,805.46x = 18,671,896.65
  5. Step 5: Solve for x
    x = 18,671,896.65/4,805.46
  6. Step 6: Final answer
    x = 3,885.56

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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.