Home / 10,388.62-15,582.93-2,597.43

Finding the Fourth Proportional to 10,388.62, 15,582.93 and 2,597.43

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Solution

The fourth proportional to 10,388.62, 15,582.93 and 2,597.43 is: 3,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.62 : 15,582.93 = 2,597.43 : x
  2. Step 2: Convert to fraction form
    10,388.62/15,582.93 = 2,597.43/x
  3. Step 3: Cross multiply
    10,388.62x = 15,582.93 × 2,597.43
  4. Step 4: Simplify right side
    10,388.62x = 40,475,569.87
  5. Step 5: Solve for x
    x = 40,475,569.87/10,388.62
  6. Step 6: Final answer
    x = 3,896.15

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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.