Home / 7,333.74-10,120.61-3,976.57

Finding the Fourth Proportional to 7,333.74, 10,120.61 and 3,976.57

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Solution

The fourth proportional to 7,333.74, 10,120.61 and 3,976.57 is: 5,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.74 : 10,120.61 = 3,976.57 : x
  2. Step 2: Convert to fraction form
    7,333.74/10,120.61 = 3,976.57/x
  3. Step 3: Cross multiply
    7,333.74x = 10,120.61 × 3,976.57
  4. Step 4: Simplify right side
    7,333.74x = 40,245,314.11
  5. Step 5: Solve for x
    x = 40,245,314.11/7,333.74
  6. Step 6: Final answer
    x = 5,487.69

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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.