Home / 5,474.39-8,218.67-4,699.42

Finding the Fourth Proportional to 5,474.39, 8,218.67 and 4,699.42

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Solution

The fourth proportional to 5,474.39, 8,218.67 and 4,699.42 is: 7,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.39 : 8,218.67 = 4,699.42 : x
  2. Step 2: Convert to fraction form
    5,474.39/8,218.67 = 4,699.42/x
  3. Step 3: Cross multiply
    5,474.39x = 8,218.67 × 4,699.42
  4. Step 4: Simplify right side
    5,474.39x = 38,622,938.13
  5. Step 5: Solve for x
    x = 38,622,938.13/5,474.39
  6. Step 6: Final answer
    x = 7,055.21

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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.