Home / 4,960.66-7,440.90-4,185.62

Finding the Fourth Proportional to 4,960.66, 7,440.90 and 4,185.62

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Solution

The fourth proportional to 4,960.66, 7,440.90 and 4,185.62 is: 6,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.66 : 7,440.90 = 4,185.62 : x
  2. Step 2: Convert to fraction form
    4,960.66/7,440.90 = 4,185.62/x
  3. Step 3: Cross multiply
    4,960.66x = 7,440.90 × 4,185.62
  4. Step 4: Simplify right side
    4,960.66x = 31,144,779.86
  5. Step 5: Solve for x
    x = 31,144,779.86/4,960.66
  6. Step 6: Final answer
    x = 6,278.35

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Half scale
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Double 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.