Home / 10,388.55-15,582.82-2,597.36

Finding the Fourth Proportional to 10,388.55, 15,582.82 and 2,597.36

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Solution

The fourth proportional to 10,388.55, 15,582.82 and 2,597.36 is: 3,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.55 : 15,582.82 = 2,597.36 : x
  2. Step 2: Convert to fraction form
    10,388.55/15,582.82 = 2,597.36/x
  3. Step 3: Cross multiply
    10,388.55x = 15,582.82 × 2,597.36
  4. Step 4: Simplify right side
    10,388.55x = 40,474,234.34
  5. Step 5: Solve for x
    x = 40,474,234.34/10,388.55
  6. Step 6: Final answer
    x = 3,896.04

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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.