Home / 5,416.29-7,471.70-3,531.03

Finding the Fourth Proportional to 5,416.29, 7,471.70 and 3,531.03

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Solution

The fourth proportional to 5,416.29, 7,471.70 and 3,531.03 is: 4,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.29 : 7,471.70 = 3,531.03 : x
  2. Step 2: Convert to fraction form
    5,416.29/7,471.70 = 3,531.03/x
  3. Step 3: Cross multiply
    5,416.29x = 7,471.70 × 3,531.03
  4. Step 4: Simplify right side
    5,416.29x = 26,382,796.85
  5. Step 5: Solve for x
    x = 26,382,796.85/5,416.29
  6. Step 6: Final answer
    x = 4,871.01

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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.