Home / 5,474.36-8,211.49-3,715.01

Finding the Fourth Proportional to 5,474.36, 8,211.49 and 3,715.01

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Solution

The fourth proportional to 5,474.36, 8,211.49 and 3,715.01 is: 5,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.36 : 8,211.49 = 3,715.01 : x
  2. Step 2: Convert to fraction form
    5,474.36/8,211.49 = 3,715.01/x
  3. Step 3: Cross multiply
    5,474.36x = 8,211.49 × 3,715.01
  4. Step 4: Simplify right side
    5,474.36x = 30,505,767.46
  5. Step 5: Solve for x
    x = 30,505,767.46/5,474.36
  6. Step 6: Final answer
    x = 5,572.48

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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.