Home / 5,165.08-7,127.69-3,012.02

Finding the Fourth Proportional to 5,165.08, 7,127.69 and 3,012.02

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Solution

The fourth proportional to 5,165.08, 7,127.69 and 3,012.02 is: 4,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.08 : 7,127.69 = 3,012.02 : x
  2. Step 2: Convert to fraction form
    5,165.08/7,127.69 = 3,012.02/x
  3. Step 3: Cross multiply
    5,165.08x = 7,127.69 × 3,012.02
  4. Step 4: Simplify right side
    5,165.08x = 21,468,777.90
  5. Step 5: Solve for x
    x = 21,468,777.90/5,165.08
  6. Step 6: Final answer
    x = 4,156.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.