Home / 6,258.70-8,640.60-4,674.09

Finding the Fourth Proportional to 6,258.70, 8,640.60 and 4,674.09

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Solution

The fourth proportional to 6,258.70, 8,640.60 and 4,674.09 is: 6,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.70 : 8,640.60 = 4,674.09 : x
  2. Step 2: Convert to fraction form
    6,258.70/8,640.60 = 4,674.09/x
  3. Step 3: Cross multiply
    6,258.70x = 8,640.60 × 4,674.09
  4. Step 4: Simplify right side
    6,258.70x = 40,386,942.05
  5. Step 5: Solve for x
    x = 40,386,942.05/6,258.70
  6. Step 6: Final answer
    x = 6,452.93

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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.