Home / 3,078.81-4,609.98-2,482.65

Finding the Fourth Proportional to 3,078.81, 4,609.98 and 2,482.65

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Solution

The fourth proportional to 3,078.81, 4,609.98 and 2,482.65 is: 3,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.81 : 4,609.98 = 2,482.65 : x
  2. Step 2: Convert to fraction form
    3,078.81/4,609.98 = 2,482.65/x
  3. Step 3: Cross multiply
    3,078.81x = 4,609.98 × 2,482.65
  4. Step 4: Simplify right side
    3,078.81x = 11,444,966.85
  5. Step 5: Solve for x
    x = 11,444,966.85/3,078.81
  6. Step 6: Final answer
    x = 3,717.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.