Home / 3,464.52-4,778.10-3,118.92

Finding the Fourth Proportional to 3,464.52, 4,778.10 and 3,118.92

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Solution

The fourth proportional to 3,464.52, 4,778.10 and 3,118.92 is: 4,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.52 : 4,778.10 = 3,118.92 : x
  2. Step 2: Convert to fraction form
    3,464.52/4,778.10 = 3,118.92/x
  3. Step 3: Cross multiply
    3,464.52x = 4,778.10 × 3,118.92
  4. Step 4: Simplify right side
    3,464.52x = 14,902,511.65
  5. Step 5: Solve for x
    x = 14,902,511.65/3,464.52
  6. Step 6: Final answer
    x = 4,301.47

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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.