Home / 4,932.16-7,400.72-2,158.85

Finding the Fourth Proportional to 4,932.16, 7,400.72 and 2,158.85

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Solution

The fourth proportional to 4,932.16, 7,400.72 and 2,158.85 is: 3,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.16 : 7,400.72 = 2,158.85 : x
  2. Step 2: Convert to fraction form
    4,932.16/7,400.72 = 2,158.85/x
  3. Step 3: Cross multiply
    4,932.16x = 7,400.72 × 2,158.85
  4. Step 4: Simplify right side
    4,932.16x = 15,977,056.13
  5. Step 5: Solve for x
    x = 15,977,056.13/4,932.16
  6. Step 6: Final answer
    x = 3,239.36

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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.