Home / 5,280.42-7,286.24-4,486.97

Finding the Fourth Proportional to 5,280.42, 7,286.24 and 4,486.97

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Solution

The fourth proportional to 5,280.42, 7,286.24 and 4,486.97 is: 6,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.42 : 7,286.24 = 4,486.97 : x
  2. Step 2: Convert to fraction form
    5,280.42/7,286.24 = 4,486.97/x
  3. Step 3: Cross multiply
    5,280.42x = 7,286.24 × 4,486.97
  4. Step 4: Simplify right side
    5,280.42x = 32,693,081.43
  5. Step 5: Solve for x
    x = 32,693,081.43/5,280.42
  6. Step 6: Final answer
    x = 6,191.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.