Home / 4,315.28-6,472.92-1,394.02

Finding the Fourth Proportional to 4,315.28, 6,472.92 and 1,394.02

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Solution

The fourth proportional to 4,315.28, 6,472.92 and 1,394.02 is: 2,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.28 : 6,472.92 = 1,394.02 : x
  2. Step 2: Convert to fraction form
    4,315.28/6,472.92 = 1,394.02/x
  3. Step 3: Cross multiply
    4,315.28x = 6,472.92 × 1,394.02
  4. Step 4: Simplify right side
    4,315.28x = 9,023,379.94
  5. Step 5: Solve for x
    x = 9,023,379.94/4,315.28
  6. Step 6: Final answer
    x = 2,091.03

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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.