Home / 7,181.61-10,772.11-2,251.14

Finding the Fourth Proportional to 7,181.61, 10,772.11 and 2,251.14

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Solution

The fourth proportional to 7,181.61, 10,772.11 and 2,251.14 is: 3,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.61 : 10,772.11 = 2,251.14 : x
  2. Step 2: Convert to fraction form
    7,181.61/10,772.11 = 2,251.14/x
  3. Step 3: Cross multiply
    7,181.61x = 10,772.11 × 2,251.14
  4. Step 4: Simplify right side
    7,181.61x = 24,249,527.71
  5. Step 5: Solve for x
    x = 24,249,527.71/7,181.61
  6. Step 6: Final answer
    x = 3,376.61

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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.