Home / 5,907.31-8,152.09-3,218.51

Finding the Fourth Proportional to 5,907.31, 8,152.09 and 3,218.51

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Solution

The fourth proportional to 5,907.31, 8,152.09 and 3,218.51 is: 4,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.31 : 8,152.09 = 3,218.51 : x
  2. Step 2: Convert to fraction form
    5,907.31/8,152.09 = 3,218.51/x
  3. Step 3: Cross multiply
    5,907.31x = 8,152.09 × 3,218.51
  4. Step 4: Simplify right side
    5,907.31x = 26,237,583.19
  5. Step 5: Solve for x
    x = 26,237,583.19/5,907.31
  6. Step 6: Final answer
    x = 4,441.55

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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.