Home / 5,027.60-7,542.48-2,104.40

Finding the Fourth Proportional to 5,027.60, 7,542.48 and 2,104.40

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Solution

The fourth proportional to 5,027.60, 7,542.48 and 2,104.40 is: 3,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.60 : 7,542.48 = 2,104.40 : x
  2. Step 2: Convert to fraction form
    5,027.60/7,542.48 = 2,104.40/x
  3. Step 3: Cross multiply
    5,027.60x = 7,542.48 × 2,104.40
  4. Step 4: Simplify right side
    5,027.60x = 15,872,394.91
  5. Step 5: Solve for x
    x = 15,872,394.91/5,027.60
  6. Step 6: Final answer
    x = 3,157.05

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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.