Home / 5,211.92-7,187.46-4,830.14

Finding the Fourth Proportional to 5,211.92, 7,187.46 and 4,830.14

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Solution

The fourth proportional to 5,211.92, 7,187.46 and 4,830.14 is: 6,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.92 : 7,187.46 = 4,830.14 : x
  2. Step 2: Convert to fraction form
    5,211.92/7,187.46 = 4,830.14/x
  3. Step 3: Cross multiply
    5,211.92x = 7,187.46 × 4,830.14
  4. Step 4: Simplify right side
    5,211.92x = 34,716,438.04
  5. Step 5: Solve for x
    x = 34,716,438.04/5,211.92
  6. Step 6: Final answer
    x = 6,660.97

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Half scale
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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.