Home / 5,331.78-8,001.12-2,410.11

Finding the Fourth Proportional to 5,331.78, 8,001.12 and 2,410.11

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Solution

The fourth proportional to 5,331.78, 8,001.12 and 2,410.11 is: 3,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.78 : 8,001.12 = 2,410.11 : x
  2. Step 2: Convert to fraction form
    5,331.78/8,001.12 = 2,410.11/x
  3. Step 3: Cross multiply
    5,331.78x = 8,001.12 × 2,410.11
  4. Step 4: Simplify right side
    5,331.78x = 19,283,579.32
  5. Step 5: Solve for x
    x = 19,283,579.32/5,331.78
  6. Step 6: Final answer
    x = 3,616.72

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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.