Home / 7,274.37-10,913.45-2,080.65

Finding the Fourth Proportional to 7,274.37, 10,913.45 and 2,080.65

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Solution

The fourth proportional to 7,274.37, 10,913.45 and 2,080.65 is: 3,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.37 : 10,913.45 = 2,080.65 : x
  2. Step 2: Convert to fraction form
    7,274.37/10,913.45 = 2,080.65/x
  3. Step 3: Cross multiply
    7,274.37x = 10,913.45 × 2,080.65
  4. Step 4: Simplify right side
    7,274.37x = 22,707,069.74
  5. Step 5: Solve for x
    x = 22,707,069.74/7,274.37
  6. Step 6: Final answer
    x = 3,121.52

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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.