Home / 7,721.52-11,593.80-4,438.32

Finding the Fourth Proportional to 7,721.52, 11,593.80 and 4,438.32

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Solution

The fourth proportional to 7,721.52, 11,593.80 and 4,438.32 is: 6,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.52 : 11,593.80 = 4,438.32 : x
  2. Step 2: Convert to fraction form
    7,721.52/11,593.80 = 4,438.32/x
  3. Step 3: Cross multiply
    7,721.52x = 11,593.80 × 4,438.32
  4. Step 4: Simplify right side
    7,721.52x = 51,456,994.42
  5. Step 5: Solve for x
    x = 51,456,994.42/7,721.52
  6. Step 6: Final answer
    x = 6,664.10

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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.