Home / 5,259.24-7,889.82-2,181.48

Finding the Fourth Proportional to 5,259.24, 7,889.82 and 2,181.48

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Solution

The fourth proportional to 5,259.24, 7,889.82 and 2,181.48 is: 3,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.24 : 7,889.82 = 2,181.48 : x
  2. Step 2: Convert to fraction form
    5,259.24/7,889.82 = 2,181.48/x
  3. Step 3: Cross multiply
    5,259.24x = 7,889.82 × 2,181.48
  4. Step 4: Simplify right side
    5,259.24x = 17,211,484.53
  5. Step 5: Solve for x
    x = 17,211,484.53/5,259.24
  6. Step 6: Final answer
    x = 3,272.62

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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.