Home / 5,520.11-8,273.81-2,748.69

Finding the Fourth Proportional to 5,520.11, 8,273.81 and 2,748.69

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Solution

The fourth proportional to 5,520.11, 8,273.81 and 2,748.69 is: 4,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.11 : 8,273.81 = 2,748.69 : x
  2. Step 2: Convert to fraction form
    5,520.11/8,273.81 = 2,748.69/x
  3. Step 3: Cross multiply
    5,520.11x = 8,273.81 × 2,748.69
  4. Step 4: Simplify right side
    5,520.11x = 22,742,125.07
  5. Step 5: Solve for x
    x = 22,742,125.07/5,520.11
  6. Step 6: Final answer
    x = 4,119.87

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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.