Home / 5,782.48-7,977.96-3,542.02

Finding the Fourth Proportional to 5,782.48, 7,977.96 and 3,542.02

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Solution

The fourth proportional to 5,782.48, 7,977.96 and 3,542.02 is: 4,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.48 : 7,977.96 = 3,542.02 : x
  2. Step 2: Convert to fraction form
    5,782.48/7,977.96 = 3,542.02/x
  3. Step 3: Cross multiply
    5,782.48x = 7,977.96 × 3,542.02
  4. Step 4: Simplify right side
    5,782.48x = 28,258,093.88
  5. Step 5: Solve for x
    x = 28,258,093.88/5,782.48
  6. Step 6: Final answer
    x = 4,886.85

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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.