Home / 5,318.70-7,338.16-3,080.01

Finding the Fourth Proportional to 5,318.70, 7,338.16 and 3,080.01

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Solution

The fourth proportional to 5,318.70, 7,338.16 and 3,080.01 is: 4,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.70 : 7,338.16 = 3,080.01 : x
  2. Step 2: Convert to fraction form
    5,318.70/7,338.16 = 3,080.01/x
  3. Step 3: Cross multiply
    5,318.70x = 7,338.16 × 3,080.01
  4. Step 4: Simplify right side
    5,318.70x = 22,601,606.18
  5. Step 5: Solve for x
    x = 22,601,606.18/5,318.70
  6. Step 6: Final answer
    x = 4,249.46

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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.