Home / 5,648.50-8,472.63-2,527.78

Finding the Fourth Proportional to 5,648.50, 8,472.63 and 2,527.78

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Solution

The fourth proportional to 5,648.50, 8,472.63 and 2,527.78 is: 3,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.50 : 8,472.63 = 2,527.78 : x
  2. Step 2: Convert to fraction form
    5,648.50/8,472.63 = 2,527.78/x
  3. Step 3: Cross multiply
    5,648.50x = 8,472.63 × 2,527.78
  4. Step 4: Simplify right side
    5,648.50x = 21,416,944.66
  5. Step 5: Solve for x
    x = 21,416,944.66/5,648.50
  6. Step 6: Final answer
    x = 3,791.62

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1.5x scale

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.