Home / 7,836.29-11,758.54-3,157.48

Finding the Fourth Proportional to 7,836.29, 11,758.54 and 3,157.48

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Solution

The fourth proportional to 7,836.29, 11,758.54 and 3,157.48 is: 4,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.29 : 11,758.54 = 3,157.48 : x
  2. Step 2: Convert to fraction form
    7,836.29/11,758.54 = 3,157.48/x
  3. Step 3: Cross multiply
    7,836.29x = 11,758.54 × 3,157.48
  4. Step 4: Simplify right side
    7,836.29x = 37,127,376.48
  5. Step 5: Solve for x
    x = 37,127,376.48/7,836.29
  6. Step 6: Final answer
    x = 4,737.87

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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.