Home / 4,778.80-6,596.52-4,280.56

Finding the Fourth Proportional to 4,778.80, 6,596.52 and 4,280.56

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Solution

The fourth proportional to 4,778.80, 6,596.52 and 4,280.56 is: 5,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.80 : 6,596.52 = 4,280.56 : x
  2. Step 2: Convert to fraction form
    4,778.80/6,596.52 = 4,280.56/x
  3. Step 3: Cross multiply
    4,778.80x = 6,596.52 × 4,280.56
  4. Step 4: Simplify right side
    4,778.80x = 28,236,799.65
  5. Step 5: Solve for x
    x = 28,236,799.65/4,778.80
  6. Step 6: Final answer
    x = 5,908.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.