Home / 7,279.92-10,045.08-4,134.96

Finding the Fourth Proportional to 7,279.92, 10,045.08 and 4,134.96

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Solution

The fourth proportional to 7,279.92, 10,045.08 and 4,134.96 is: 5,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.92 : 10,045.08 = 4,134.96 : x
  2. Step 2: Convert to fraction form
    7,279.92/10,045.08 = 4,134.96/x
  3. Step 3: Cross multiply
    7,279.92x = 10,045.08 × 4,134.96
  4. Step 4: Simplify right side
    7,279.92x = 41,536,004.00
  5. Step 5: Solve for x
    x = 41,536,004.00/7,279.92
  6. Step 6: Final answer
    x = 5,705.56

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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.