Home / 5,424.23-8,137.53-2,306.90

Finding the Fourth Proportional to 5,424.23, 8,137.53 and 2,306.90

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Solution

The fourth proportional to 5,424.23, 8,137.53 and 2,306.90 is: 3,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.23 : 8,137.53 = 2,306.90 : x
  2. Step 2: Convert to fraction form
    5,424.23/8,137.53 = 2,306.90/x
  3. Step 3: Cross multiply
    5,424.23x = 8,137.53 × 2,306.90
  4. Step 4: Simplify right side
    5,424.23x = 18,772,467.96
  5. Step 5: Solve for x
    x = 18,772,467.96/5,424.23
  6. Step 6: Final answer
    x = 3,460.85

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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.