Home / 7,319.52-10,974.24-2,638.44

Finding the Fourth Proportional to 7,319.52, 10,974.24 and 2,638.44

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Solution

The fourth proportional to 7,319.52, 10,974.24 and 2,638.44 is: 3,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.52 : 10,974.24 = 2,638.44 : x
  2. Step 2: Convert to fraction form
    7,319.52/10,974.24 = 2,638.44/x
  3. Step 3: Cross multiply
    7,319.52x = 10,974.24 × 2,638.44
  4. Step 4: Simplify right side
    7,319.52x = 28,954,873.79
  5. Step 5: Solve for x
    x = 28,954,873.79/7,319.52
  6. Step 6: Final answer
    x = 3,955.84

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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.