Home / 7,557.36-11,324.49-3,172.41

Finding the Fourth Proportional to 7,557.36, 11,324.49 and 3,172.41

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Solution

The fourth proportional to 7,557.36, 11,324.49 and 3,172.41 is: 4,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.36 : 11,324.49 = 3,172.41 : x
  2. Step 2: Convert to fraction form
    7,557.36/11,324.49 = 3,172.41/x
  3. Step 3: Cross multiply
    7,557.36x = 11,324.49 × 3,172.41
  4. Step 4: Simplify right side
    7,557.36x = 35,925,925.32
  5. Step 5: Solve for x
    x = 35,925,925.32/7,557.36
  6. Step 6: Final answer
    x = 4,753.77

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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.