Home / 5,453.46-8,158.92-4,790.06

Finding the Fourth Proportional to 5,453.46, 8,158.92 and 4,790.06

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Solution

The fourth proportional to 5,453.46, 8,158.92 and 4,790.06 is: 7,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.46 : 8,158.92 = 4,790.06 : x
  2. Step 2: Convert to fraction form
    5,453.46/8,158.92 = 4,790.06/x
  3. Step 3: Cross multiply
    5,453.46x = 8,158.92 × 4,790.06
  4. Step 4: Simplify right side
    5,453.46x = 39,081,716.34
  5. Step 5: Solve for x
    x = 39,081,716.34/5,453.46
  6. Step 6: Final answer
    x = 7,166.41

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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.