Home / 5,611.10-7,743.32-3,254.61

Finding the Fourth Proportional to 5,611.10, 7,743.32 and 3,254.61

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Solution

The fourth proportional to 5,611.10, 7,743.32 and 3,254.61 is: 4,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.10 : 7,743.32 = 3,254.61 : x
  2. Step 2: Convert to fraction form
    5,611.10/7,743.32 = 3,254.61/x
  3. Step 3: Cross multiply
    5,611.10x = 7,743.32 × 3,254.61
  4. Step 4: Simplify right side
    5,611.10x = 25,201,486.71
  5. Step 5: Solve for x
    x = 25,201,486.71/5,611.10
  6. Step 6: Final answer
    x = 4,491.36

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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.