Home / 5,565.60-7,680.52-3,208.48

Finding the Fourth Proportional to 5,565.60, 7,680.52 and 3,208.48

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Solution

The fourth proportional to 5,565.60, 7,680.52 and 3,208.48 is: 4,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.60 : 7,680.52 = 3,208.48 : x
  2. Step 2: Convert to fraction form
    5,565.60/7,680.52 = 3,208.48/x
  3. Step 3: Cross multiply
    5,565.60x = 7,680.52 × 3,208.48
  4. Step 4: Simplify right side
    5,565.60x = 24,642,794.81
  5. Step 5: Solve for x
    x = 24,642,794.81/5,565.60
  6. Step 6: Final answer
    x = 4,427.70

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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.