Home / 7,294.20-10,940.40-3,397.56

Finding the Fourth Proportional to 7,294.20, 10,940.40 and 3,397.56

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Solution

The fourth proportional to 7,294.20, 10,940.40 and 3,397.56 is: 5,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.20 : 10,940.40 = 3,397.56 : x
  2. Step 2: Convert to fraction form
    7,294.20/10,940.40 = 3,397.56/x
  3. Step 3: Cross multiply
    7,294.20x = 10,940.40 × 3,397.56
  4. Step 4: Simplify right side
    7,294.20x = 37,170,665.42
  5. Step 5: Solve for x
    x = 37,170,665.42/7,294.20
  6. Step 6: Final answer
    x = 5,095.92

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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.