Home / 3,572.90-5,347.68-3,231.89

Finding the Fourth Proportional to 3,572.90, 5,347.68 and 3,231.89

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Solution

The fourth proportional to 3,572.90, 5,347.68 and 3,231.89 is: 4,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.90 : 5,347.68 = 3,231.89 : x
  2. Step 2: Convert to fraction form
    3,572.90/5,347.68 = 3,231.89/x
  3. Step 3: Cross multiply
    3,572.90x = 5,347.68 × 3,231.89
  4. Step 4: Simplify right side
    3,572.90x = 17,283,113.52
  5. Step 5: Solve for x
    x = 17,283,113.52/3,572.90
  6. Step 6: Final answer
    x = 4,837.28

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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.