Home / 5,548.91-7,657.85-3,191.00

Finding the Fourth Proportional to 5,548.91, 7,657.85 and 3,191.00

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Solution

The fourth proportional to 5,548.91, 7,657.85 and 3,191.00 is: 4,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.91 : 7,657.85 = 3,191.00 : x
  2. Step 2: Convert to fraction form
    5,548.91/7,657.85 = 3,191.00/x
  3. Step 3: Cross multiply
    5,548.91x = 7,657.85 × 3,191.00
  4. Step 4: Simplify right side
    5,548.91x = 24,436,180.21
  5. Step 5: Solve for x
    x = 24,436,180.21/5,548.91
  6. Step 6: Final answer
    x = 4,403.78

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1.5x scale

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.