Home / 7,310.28-10,085.82-4,474.70

Finding the Fourth Proportional to 7,310.28, 10,085.82 and 4,474.70

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Solution

The fourth proportional to 7,310.28, 10,085.82 and 4,474.70 is: 6,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.28 : 10,085.82 = 4,474.70 : x
  2. Step 2: Convert to fraction form
    7,310.28/10,085.82 = 4,474.70/x
  3. Step 3: Cross multiply
    7,310.28x = 10,085.82 × 4,474.70
  4. Step 4: Simplify right side
    7,310.28x = 45,131,018.75
  5. Step 5: Solve for x
    x = 45,131,018.75/7,310.28
  6. Step 6: Final answer
    x = 6,173.64

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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.