Home / 5,394.72-8,092.16-2,472.40

Finding the Fourth Proportional to 5,394.72, 8,092.16 and 2,472.40

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Solution

The fourth proportional to 5,394.72, 8,092.16 and 2,472.40 is: 3,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.72 : 8,092.16 = 2,472.40 : x
  2. Step 2: Convert to fraction form
    5,394.72/8,092.16 = 2,472.40/x
  3. Step 3: Cross multiply
    5,394.72x = 8,092.16 × 2,472.40
  4. Step 4: Simplify right side
    5,394.72x = 20,007,056.38
  5. Step 5: Solve for x
    x = 20,007,056.38/5,394.72
  6. Step 6: Final answer
    x = 3,708.64

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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.