Home / 3,462.18-4,777.86-2,455.65

Finding the Fourth Proportional to 3,462.18, 4,777.86 and 2,455.65

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Solution

The fourth proportional to 3,462.18, 4,777.86 and 2,455.65 is: 3,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.18 : 4,777.86 = 2,455.65 : x
  2. Step 2: Convert to fraction form
    3,462.18/4,777.86 = 2,455.65/x
  3. Step 3: Cross multiply
    3,462.18x = 4,777.86 × 2,455.65
  4. Step 4: Simplify right side
    3,462.18x = 11,732,751.91
  5. Step 5: Solve for x
    x = 11,732,751.91/3,462.18
  6. Step 6: Final answer
    x = 3,388.83

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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.