Home / 5,628.38-8,442.56-1,524.38

Finding the Fourth Proportional to 5,628.38, 8,442.56 and 1,524.38

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Solution

The fourth proportional to 5,628.38, 8,442.56 and 1,524.38 is: 2,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.38 : 8,442.56 = 1,524.38 : x
  2. Step 2: Convert to fraction form
    5,628.38/8,442.56 = 1,524.38/x
  3. Step 3: Cross multiply
    5,628.38x = 8,442.56 × 1,524.38
  4. Step 4: Simplify right side
    5,628.38x = 12,869,631.21
  5. Step 5: Solve for x
    x = 12,869,631.21/5,628.38
  6. Step 6: Final answer
    x = 2,286.56

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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.