Home / 6,931.58-10,397.21-2,251.58

Finding the Fourth Proportional to 6,931.58, 10,397.21 and 2,251.58

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Solution

The fourth proportional to 6,931.58, 10,397.21 and 2,251.58 is: 3,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.58 : 10,397.21 = 2,251.58 : x
  2. Step 2: Convert to fraction form
    6,931.58/10,397.21 = 2,251.58/x
  3. Step 3: Cross multiply
    6,931.58x = 10,397.21 × 2,251.58
  4. Step 4: Simplify right side
    6,931.58x = 23,410,086.85
  5. Step 5: Solve for x
    x = 23,410,086.85/6,931.58
  6. Step 6: Final answer
    x = 3,377.31

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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.