Home / 5,455.48-8,186.80-2,992.03

Finding the Fourth Proportional to 5,455.48, 8,186.80 and 2,992.03

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Solution

The fourth proportional to 5,455.48, 8,186.80 and 2,992.03 is: 4,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.48 : 8,186.80 = 2,992.03 : x
  2. Step 2: Convert to fraction form
    5,455.48/8,186.80 = 2,992.03/x
  3. Step 3: Cross multiply
    5,455.48x = 8,186.80 × 2,992.03
  4. Step 4: Simplify right side
    5,455.48x = 24,495,138.22
  5. Step 5: Solve for x
    x = 24,495,138.22/5,455.48
  6. Step 6: Final answer
    x = 4,490.01

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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.