Home / 5,772.38-8,655.47-2,992.16

Finding the Fourth Proportional to 5,772.38, 8,655.47 and 2,992.16

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Solution

The fourth proportional to 5,772.38, 8,655.47 and 2,992.16 is: 4,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.38 : 8,655.47 = 2,992.16 : x
  2. Step 2: Convert to fraction form
    5,772.38/8,655.47 = 2,992.16/x
  3. Step 3: Cross multiply
    5,772.38x = 8,655.47 × 2,992.16
  4. Step 4: Simplify right side
    5,772.38x = 25,898,492.88
  5. Step 5: Solve for x
    x = 25,898,492.88/5,772.38
  6. Step 6: Final answer
    x = 4,486.63

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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.