Home / 7,305.82-10,079.26-4,160.32

Finding the Fourth Proportional to 7,305.82, 10,079.26 and 4,160.32

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Solution

The fourth proportional to 7,305.82, 10,079.26 and 4,160.32 is: 5,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.82 : 10,079.26 = 4,160.32 : x
  2. Step 2: Convert to fraction form
    7,305.82/10,079.26 = 4,160.32/x
  3. Step 3: Cross multiply
    7,305.82x = 10,079.26 × 4,160.32
  4. Step 4: Simplify right side
    7,305.82x = 41,932,911.36
  5. Step 5: Solve for x
    x = 41,932,911.36/7,305.82
  6. Step 6: Final answer
    x = 5,739.66

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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.