Home / 5,560.55-7,672.54-3,170.42

Finding the Fourth Proportional to 5,560.55, 7,672.54 and 3,170.42

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Solution

The fourth proportional to 5,560.55, 7,672.54 and 3,170.42 is: 4,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.55 : 7,672.54 = 3,170.42 : x
  2. Step 2: Convert to fraction form
    5,560.55/7,672.54 = 3,170.42/x
  3. Step 3: Cross multiply
    5,560.55x = 7,672.54 × 3,170.42
  4. Step 4: Simplify right side
    5,560.55x = 24,325,174.27
  5. Step 5: Solve for x
    x = 24,325,174.27/5,560.55
  6. Step 6: Final answer
    x = 4,374.60

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Half scale
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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.