Home / 7,185.03-10,781.72-3,024.78

Finding the Fourth Proportional to 7,185.03, 10,781.72 and 3,024.78

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Solution

The fourth proportional to 7,185.03, 10,781.72 and 3,024.78 is: 4,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.03 : 10,781.72 = 3,024.78 : x
  2. Step 2: Convert to fraction form
    7,185.03/10,781.72 = 3,024.78/x
  3. Step 3: Cross multiply
    7,185.03x = 10,781.72 × 3,024.78
  4. Step 4: Simplify right side
    7,185.03x = 32,612,315.90
  5. Step 5: Solve for x
    x = 32,612,315.90/7,185.03
  6. Step 6: Final answer
    x = 4,538.93

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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.