Home / 3,486.38-5,226.21-1,176.62

Finding the Fourth Proportional to 3,486.38, 5,226.21 and 1,176.62

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Solution

The fourth proportional to 3,486.38, 5,226.21 and 1,176.62 is: 1,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.38 : 5,226.21 = 1,176.62 : x
  2. Step 2: Convert to fraction form
    3,486.38/5,226.21 = 1,176.62/x
  3. Step 3: Cross multiply
    3,486.38x = 5,226.21 × 1,176.62
  4. Step 4: Simplify right side
    3,486.38x = 6,149,263.21
  5. Step 5: Solve for x
    x = 6,149,263.21/3,486.38
  6. Step 6: Final answer
    x = 1,763.80

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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.