Home / 7,275.10-10,912.38-2,080.96

Finding the Fourth Proportional to 7,275.10, 10,912.38 and 2,080.96

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Solution

The fourth proportional to 7,275.10, 10,912.38 and 2,080.96 is: 3,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.10 : 10,912.38 = 2,080.96 : x
  2. Step 2: Convert to fraction form
    7,275.10/10,912.38 = 2,080.96/x
  3. Step 3: Cross multiply
    7,275.10x = 10,912.38 × 2,080.96
  4. Step 4: Simplify right side
    7,275.10x = 22,708,226.28
  5. Step 5: Solve for x
    x = 22,708,226.28/7,275.10
  6. Step 6: Final answer
    x = 3,121.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.