Home / 6,315.42-9,472.38-1,935.90

Finding the Fourth Proportional to 6,315.42, 9,472.38 and 1,935.90

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Solution

The fourth proportional to 6,315.42, 9,472.38 and 1,935.90 is: 2,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.42 : 9,472.38 = 1,935.90 : x
  2. Step 2: Convert to fraction form
    6,315.42/9,472.38 = 1,935.90/x
  3. Step 3: Cross multiply
    6,315.42x = 9,472.38 × 1,935.90
  4. Step 4: Simplify right side
    6,315.42x = 18,337,580.44
  5. Step 5: Solve for x
    x = 18,337,580.44/6,315.42
  6. Step 6: Final answer
    x = 2,903.62

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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.