Home / 4,312.38-6,468.57-1,234.38

Finding the Fourth Proportional to 4,312.38, 6,468.57 and 1,234.38

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Solution

The fourth proportional to 4,312.38, 6,468.57 and 1,234.38 is: 1,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.38 : 6,468.57 = 1,234.38 : x
  2. Step 2: Convert to fraction form
    4,312.38/6,468.57 = 1,234.38/x
  3. Step 3: Cross multiply
    4,312.38x = 6,468.57 × 1,234.38
  4. Step 4: Simplify right side
    4,312.38x = 7,984,673.44
  5. Step 5: Solve for x
    x = 7,984,673.44/4,312.38
  6. Step 6: Final answer
    x = 1,851.57

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.