Home / 5,436.48-8,158.79-2,516.83

Finding the Fourth Proportional to 5,436.48, 8,158.79 and 2,516.83

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Solution

The fourth proportional to 5,436.48, 8,158.79 and 2,516.83 is: 3,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.48 : 8,158.79 = 2,516.83 : x
  2. Step 2: Convert to fraction form
    5,436.48/8,158.79 = 2,516.83/x
  3. Step 3: Cross multiply
    5,436.48x = 8,158.79 × 2,516.83
  4. Step 4: Simplify right side
    5,436.48x = 20,534,287.44
  5. Step 5: Solve for x
    x = 20,534,287.44/5,436.48
  6. Step 6: Final answer
    x = 3,777.13

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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.