Home / 5,424.12-8,135.24-2,502.18

Finding the Fourth Proportional to 5,424.12, 8,135.24 and 2,502.18

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Solution

The fourth proportional to 5,424.12, 8,135.24 and 2,502.18 is: 3,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.12 : 8,135.24 = 2,502.18 : x
  2. Step 2: Convert to fraction form
    5,424.12/8,135.24 = 2,502.18/x
  3. Step 3: Cross multiply
    5,424.12x = 8,135.24 × 2,502.18
  4. Step 4: Simplify right side
    5,424.12x = 20,355,822.31
  5. Step 5: Solve for x
    x = 20,355,822.31/5,424.12
  6. Step 6: Final answer
    x = 3,752.83

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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.