Home / 5,253.66-7,249.95-2,896.02

Finding the Fourth Proportional to 5,253.66, 7,249.95 and 2,896.02

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Solution

The fourth proportional to 5,253.66, 7,249.95 and 2,896.02 is: 3,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.66 : 7,249.95 = 2,896.02 : x
  2. Step 2: Convert to fraction form
    5,253.66/7,249.95 = 2,896.02/x
  3. Step 3: Cross multiply
    5,253.66x = 7,249.95 × 2,896.02
  4. Step 4: Simplify right side
    5,253.66x = 20,996,000.20
  5. Step 5: Solve for x
    x = 20,996,000.20/5,253.66
  6. Step 6: Final answer
    x = 3,996.45

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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.