Home / 5,758.45-8,642.29-2,985.92

Finding the Fourth Proportional to 5,758.45, 8,642.29 and 2,985.92

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Solution

The fourth proportional to 5,758.45, 8,642.29 and 2,985.92 is: 4,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.45 : 8,642.29 = 2,985.92 : x
  2. Step 2: Convert to fraction form
    5,758.45/8,642.29 = 2,985.92/x
  3. Step 3: Cross multiply
    5,758.45x = 8,642.29 × 2,985.92
  4. Step 4: Simplify right side
    5,758.45x = 25,805,186.56
  5. Step 5: Solve for x
    x = 25,805,186.56/5,758.45
  6. Step 6: Final answer
    x = 4,481.27

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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.