Home / 5,548.68-7,658.80-3,191.32

Finding the Fourth Proportional to 5,548.68, 7,658.80 and 3,191.32

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Solution

The fourth proportional to 5,548.68, 7,658.80 and 3,191.32 is: 4,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.68 : 7,658.80 = 3,191.32 : x
  2. Step 2: Convert to fraction form
    5,548.68/7,658.80 = 3,191.32/x
  3. Step 3: Cross multiply
    5,548.68x = 7,658.80 × 3,191.32
  4. Step 4: Simplify right side
    5,548.68x = 24,441,681.62
  5. Step 5: Solve for x
    x = 24,441,681.62/5,548.68
  6. Step 6: Final answer
    x = 4,404.95

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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.