Home / 5,475.09-8,218.49-2,356.64

Finding the Fourth Proportional to 5,475.09, 8,218.49 and 2,356.64

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Solution

The fourth proportional to 5,475.09, 8,218.49 and 2,356.64 is: 3,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.09 : 8,218.49 = 2,356.64 : x
  2. Step 2: Convert to fraction form
    5,475.09/8,218.49 = 2,356.64/x
  3. Step 3: Cross multiply
    5,475.09x = 8,218.49 × 2,356.64
  4. Step 4: Simplify right side
    5,475.09x = 19,368,053.07
  5. Step 5: Solve for x
    x = 19,368,053.07/5,475.09
  6. Step 6: Final answer
    x = 3,537.48

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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.