Home / 5,072.60-6,997.38-2,976.32

Finding the Fourth Proportional to 5,072.60, 6,997.38 and 2,976.32

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Solution

The fourth proportional to 5,072.60, 6,997.38 and 2,976.32 is: 4,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.60 : 6,997.38 = 2,976.32 : x
  2. Step 2: Convert to fraction form
    5,072.60/6,997.38 = 2,976.32/x
  3. Step 3: Cross multiply
    5,072.60x = 6,997.38 × 2,976.32
  4. Step 4: Simplify right side
    5,072.60x = 20,826,442.04
  5. Step 5: Solve for x
    x = 20,826,442.04/5,072.60
  6. Step 6: Final answer
    x = 4,105.67

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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.