Home / 6,928.42-10,392.31-2,545.55

Finding the Fourth Proportional to 6,928.42, 10,392.31 and 2,545.55

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Solution

The fourth proportional to 6,928.42, 10,392.31 and 2,545.55 is: 3,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.42 : 10,392.31 = 2,545.55 : x
  2. Step 2: Convert to fraction form
    6,928.42/10,392.31 = 2,545.55/x
  3. Step 3: Cross multiply
    6,928.42x = 10,392.31 × 2,545.55
  4. Step 4: Simplify right side
    6,928.42x = 26,454,173.88
  5. Step 5: Solve for x
    x = 26,454,173.88/6,928.42
  6. Step 6: Final answer
    x = 3,818.21

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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.