Home / 5,565.36-8,350.44-2,103.60

Finding the Fourth Proportional to 5,565.36, 8,350.44 and 2,103.60

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Solution

The fourth proportional to 5,565.36, 8,350.44 and 2,103.60 is: 3,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.36 : 8,350.44 = 2,103.60 : x
  2. Step 2: Convert to fraction form
    5,565.36/8,350.44 = 2,103.60/x
  3. Step 3: Cross multiply
    5,565.36x = 8,350.44 × 2,103.60
  4. Step 4: Simplify right side
    5,565.36x = 17,565,985.58
  5. Step 5: Solve for x
    x = 17,565,985.58/5,565.36
  6. Step 6: Final answer
    x = 3,156.31

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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.