Home / 5,565.20-8,346.82-1,668.56

Finding the Fourth Proportional to 5,565.20, 8,346.82 and 1,668.56

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Solution

The fourth proportional to 5,565.20, 8,346.82 and 1,668.56 is: 2,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.20 : 8,346.82 = 1,668.56 : x
  2. Step 2: Convert to fraction form
    5,565.20/8,346.82 = 1,668.56/x
  3. Step 3: Cross multiply
    5,565.20x = 8,346.82 × 1,668.56
  4. Step 4: Simplify right side
    5,565.20x = 13,927,169.98
  5. Step 5: Solve for x
    x = 13,927,169.98/5,565.20
  6. Step 6: Final answer
    x = 2,502.55

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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.