Home / 7,331.92-10,120.34-4,945.35

Finding the Fourth Proportional to 7,331.92, 10,120.34 and 4,945.35

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Solution

The fourth proportional to 7,331.92, 10,120.34 and 4,945.35 is: 6,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.92 : 10,120.34 = 4,945.35 : x
  2. Step 2: Convert to fraction form
    7,331.92/10,120.34 = 4,945.35/x
  3. Step 3: Cross multiply
    7,331.92x = 10,120.34 × 4,945.35
  4. Step 4: Simplify right side
    7,331.92x = 50,048,673.73
  5. Step 5: Solve for x
    x = 50,048,673.73/7,331.92
  6. Step 6: Final answer
    x = 6,826.14

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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.