Home / 4,543.20-6,816.11-1,621.71

Finding the Fourth Proportional to 4,543.20, 6,816.11 and 1,621.71

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Solution

The fourth proportional to 4,543.20, 6,816.11 and 1,621.71 is: 2,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.20 : 6,816.11 = 1,621.71 : x
  2. Step 2: Convert to fraction form
    4,543.20/6,816.11 = 1,621.71/x
  3. Step 3: Cross multiply
    4,543.20x = 6,816.11 × 1,621.71
  4. Step 4: Simplify right side
    4,543.20x = 11,053,745.64
  5. Step 5: Solve for x
    x = 11,053,745.64/4,543.20
  6. Step 6: Final answer
    x = 2,433.03

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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.