Home / 7,333.41-10,120-3,976.16

Finding the Fourth Proportional to 7,333.41, 10,120 and 3,976.16

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Solution

The fourth proportional to 7,333.41, 10,120 and 3,976.16 is: 5,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.41 : 10,120 = 3,976.16 : x
  2. Step 2: Convert to fraction form
    7,333.41/10,120 = 3,976.16/x
  3. Step 3: Cross multiply
    7,333.41x = 10,120 × 3,976.16
  4. Step 4: Simplify right side
    7,333.41x = 40,238,739.20
  5. Step 5: Solve for x
    x = 40,238,739.20/7,333.41
  6. Step 6: Final answer
    x = 5,487.04

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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.