Home / 5,252.40-7,245.72-4,474.80

Finding the Fourth Proportional to 5,252.40, 7,245.72 and 4,474.80

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Solution

The fourth proportional to 5,252.40, 7,245.72 and 4,474.80 is: 6,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.40 : 7,245.72 = 4,474.80 : x
  2. Step 2: Convert to fraction form
    5,252.40/7,245.72 = 4,474.80/x
  3. Step 3: Cross multiply
    5,252.40x = 7,245.72 × 4,474.80
  4. Step 4: Simplify right side
    5,252.40x = 32,423,147.86
  5. Step 5: Solve for x
    x = 32,423,147.86/5,252.40
  6. Step 6: Final answer
    x = 6,173.02

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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.