Home / 5,472.91-8,157.37-5,161.56

Finding the Fourth Proportional to 5,472.91, 8,157.37 and 5,161.56

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Solution

The fourth proportional to 5,472.91, 8,157.37 and 5,161.56 is: 7,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.91 : 8,157.37 = 5,161.56 : x
  2. Step 2: Convert to fraction form
    5,472.91/8,157.37 = 5,161.56/x
  3. Step 3: Cross multiply
    5,472.91x = 8,157.37 × 5,161.56
  4. Step 4: Simplify right side
    5,472.91x = 42,104,754.70
  5. Step 5: Solve for x
    x = 42,104,754.70/5,472.91
  6. Step 6: Final answer
    x = 7,693.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.