Home / 7,905.72-11,862.62-3,526.04

Finding the Fourth Proportional to 7,905.72, 11,862.62 and 3,526.04

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Solution

The fourth proportional to 7,905.72, 11,862.62 and 3,526.04 is: 5,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.72 : 11,862.62 = 3,526.04 : x
  2. Step 2: Convert to fraction form
    7,905.72/11,862.62 = 3,526.04/x
  3. Step 3: Cross multiply
    7,905.72x = 11,862.62 × 3,526.04
  4. Step 4: Simplify right side
    7,905.72x = 41,828,072.62
  5. Step 5: Solve for x
    x = 41,828,072.62/7,905.72
  6. Step 6: Final answer
    x = 5,290.86

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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.