Home / 5,436.56-8,154.66-2,972.54

Finding the Fourth Proportional to 5,436.56, 8,154.66 and 2,972.54

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Solution

The fourth proportional to 5,436.56, 8,154.66 and 2,972.54 is: 4,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.56 : 8,154.66 = 2,972.54 : x
  2. Step 2: Convert to fraction form
    5,436.56/8,154.66 = 2,972.54/x
  3. Step 3: Cross multiply
    5,436.56x = 8,154.66 × 2,972.54
  4. Step 4: Simplify right side
    5,436.56x = 24,240,053.04
  5. Step 5: Solve for x
    x = 24,240,053.04/5,436.56
  6. Step 6: Final answer
    x = 4,458.71

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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.