Home / 3,487.62-5,226.19-3,158.34

Finding the Fourth Proportional to 3,487.62, 5,226.19 and 3,158.34

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Solution

The fourth proportional to 3,487.62, 5,226.19 and 3,158.34 is: 4,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.62 : 5,226.19 = 3,158.34 : x
  2. Step 2: Convert to fraction form
    3,487.62/5,226.19 = 3,158.34/x
  3. Step 3: Cross multiply
    3,487.62x = 5,226.19 × 3,158.34
  4. Step 4: Simplify right side
    3,487.62x = 16,506,084.92
  5. Step 5: Solve for x
    x = 16,506,084.92/3,487.62
  6. Step 6: Final answer
    x = 4,732.76

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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.