Home / 7,905.00-10,908.94-4,320.03

Finding the Fourth Proportional to 7,905.00, 10,908.94 and 4,320.03

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Solution

The fourth proportional to 7,905.00, 10,908.94 and 4,320.03 is: 5,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.00 : 10,908.94 = 4,320.03 : x
  2. Step 2: Convert to fraction form
    7,905.00/10,908.94 = 4,320.03/x
  3. Step 3: Cross multiply
    7,905.00x = 10,908.94 × 4,320.03
  4. Step 4: Simplify right side
    7,905.00x = 47,126,964.54
  5. Step 5: Solve for x
    x = 47,126,964.54/7,905.00
  6. Step 6: Final answer
    x = 5,961.66

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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.