Home / 5,471.37-7,547.91-3,231.75

Finding the Fourth Proportional to 5,471.37, 7,547.91 and 3,231.75

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Solution

The fourth proportional to 5,471.37, 7,547.91 and 3,231.75 is: 4,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.37 : 7,547.91 = 3,231.75 : x
  2. Step 2: Convert to fraction form
    5,471.37/7,547.91 = 3,231.75/x
  3. Step 3: Cross multiply
    5,471.37x = 7,547.91 × 3,231.75
  4. Step 4: Simplify right side
    5,471.37x = 24,392,958.14
  5. Step 5: Solve for x
    x = 24,392,958.14/5,471.37
  6. Step 6: Final answer
    x = 4,458.29

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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.