Home / 7,333.80-10,120.70-4,146.94

Finding the Fourth Proportional to 7,333.80, 10,120.70 and 4,146.94

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Solution

The fourth proportional to 7,333.80, 10,120.70 and 4,146.94 is: 5,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.80 : 10,120.70 = 4,146.94 : x
  2. Step 2: Convert to fraction form
    7,333.80/10,120.70 = 4,146.94/x
  3. Step 3: Cross multiply
    7,333.80x = 10,120.70 × 4,146.94
  4. Step 4: Simplify right side
    7,333.80x = 41,969,935.66
  5. Step 5: Solve for x
    x = 41,969,935.66/7,333.80
  6. Step 6: Final answer
    x = 5,722.81

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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.