Home / 3,553.81-5,331.47-1,363.16

Finding the Fourth Proportional to 3,553.81, 5,331.47 and 1,363.16

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Solution

The fourth proportional to 3,553.81, 5,331.47 and 1,363.16 is: 2,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.81 : 5,331.47 = 1,363.16 : x
  2. Step 2: Convert to fraction form
    3,553.81/5,331.47 = 1,363.16/x
  3. Step 3: Cross multiply
    3,553.81x = 5,331.47 × 1,363.16
  4. Step 4: Simplify right side
    3,553.81x = 7,267,653.16
  5. Step 5: Solve for x
    x = 7,267,653.16/3,553.81
  6. Step 6: Final answer
    x = 2,045.03

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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.