Home / 5,497.38-8,234.21-3,417.90

Finding the Fourth Proportional to 5,497.38, 8,234.21 and 3,417.90

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Solution

The fourth proportional to 5,497.38, 8,234.21 and 3,417.90 is: 5,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.38 : 8,234.21 = 3,417.90 : x
  2. Step 2: Convert to fraction form
    5,497.38/8,234.21 = 3,417.90/x
  3. Step 3: Cross multiply
    5,497.38x = 8,234.21 × 3,417.90
  4. Step 4: Simplify right side
    5,497.38x = 28,143,689.27
  5. Step 5: Solve for x
    x = 28,143,689.27/5,497.38
  6. Step 6: Final answer
    x = 5,119.47

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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.