Home / 7,311.36-10,090.05-4,126.02

Finding the Fourth Proportional to 7,311.36, 10,090.05 and 4,126.02

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Solution

The fourth proportional to 7,311.36, 10,090.05 and 4,126.02 is: 5,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.36 : 10,090.05 = 4,126.02 : x
  2. Step 2: Convert to fraction form
    7,311.36/10,090.05 = 4,126.02/x
  3. Step 3: Cross multiply
    7,311.36x = 10,090.05 × 4,126.02
  4. Step 4: Simplify right side
    7,311.36x = 41,631,748.10
  5. Step 5: Solve for x
    x = 41,631,748.10/7,311.36
  6. Step 6: Final answer
    x = 5,694.12

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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.