Home / 5,471.38-7,550.55-3,113.67

Finding the Fourth Proportional to 5,471.38, 7,550.55 and 3,113.67

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Solution

The fourth proportional to 5,471.38, 7,550.55 and 3,113.67 is: 4,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.38 : 7,550.55 = 3,113.67 : x
  2. Step 2: Convert to fraction form
    5,471.38/7,550.55 = 3,113.67/x
  3. Step 3: Cross multiply
    5,471.38x = 7,550.55 × 3,113.67
  4. Step 4: Simplify right side
    5,471.38x = 23,509,921.02
  5. Step 5: Solve for x
    x = 23,509,921.02/5,471.38
  6. Step 6: Final answer
    x = 4,296.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.