Home / 5,471.30-7,550.47-3,113.44

Finding the Fourth Proportional to 5,471.30, 7,550.47 and 3,113.44

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Solution

The fourth proportional to 5,471.30, 7,550.47 and 3,113.44 is: 4,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.30 : 7,550.47 = 3,113.44 : x
  2. Step 2: Convert to fraction form
    5,471.30/7,550.47 = 3,113.44/x
  3. Step 3: Cross multiply
    5,471.30x = 7,550.47 × 3,113.44
  4. Step 4: Simplify right side
    5,471.30x = 23,507,902.82
  5. Step 5: Solve for x
    x = 23,507,902.82/5,471.30
  6. Step 6: Final answer
    x = 4,296.59

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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.