Home / 5,549.50-7,657.74-3,191.98

Finding the Fourth Proportional to 5,549.50, 7,657.74 and 3,191.98

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Solution

The fourth proportional to 5,549.50, 7,657.74 and 3,191.98 is: 4,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.50 : 7,657.74 = 3,191.98 : x
  2. Step 2: Convert to fraction form
    5,549.50/7,657.74 = 3,191.98/x
  3. Step 3: Cross multiply
    5,549.50x = 7,657.74 × 3,191.98
  4. Step 4: Simplify right side
    5,549.50x = 24,443,352.93
  5. Step 5: Solve for x
    x = 24,443,352.93/5,549.50
  6. Step 6: Final answer
    x = 4,404.60

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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.