Home / 6,247.42-8,621.94-3,730.30

Finding the Fourth Proportional to 6,247.42, 8,621.94 and 3,730.30

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Solution

The fourth proportional to 6,247.42, 8,621.94 and 3,730.30 is: 5,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.42 : 8,621.94 = 3,730.30 : x
  2. Step 2: Convert to fraction form
    6,247.42/8,621.94 = 3,730.30/x
  3. Step 3: Cross multiply
    6,247.42x = 8,621.94 × 3,730.30
  4. Step 4: Simplify right side
    6,247.42x = 32,162,422.78
  5. Step 5: Solve for x
    x = 32,162,422.78/6,247.42
  6. Step 6: Final answer
    x = 5,148.11

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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.