Home / 5,767.56-8,655.12-3,172.32

Finding the Fourth Proportional to 5,767.56, 8,655.12 and 3,172.32

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Solution

The fourth proportional to 5,767.56, 8,655.12 and 3,172.32 is: 4,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.56 : 8,655.12 = 3,172.32 : x
  2. Step 2: Convert to fraction form
    5,767.56/8,655.12 = 3,172.32/x
  3. Step 3: Cross multiply
    5,767.56x = 8,655.12 × 3,172.32
  4. Step 4: Simplify right side
    5,767.56x = 27,456,810.28
  5. Step 5: Solve for x
    x = 27,456,810.28/5,767.56
  6. Step 6: Final answer
    x = 4,760.56

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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.