Home / 4,684.69-6,464.91-3,688.12

Finding the Fourth Proportional to 4,684.69, 6,464.91 and 3,688.12

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Solution

The fourth proportional to 4,684.69, 6,464.91 and 3,688.12 is: 5,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.69 : 6,464.91 = 3,688.12 : x
  2. Step 2: Convert to fraction form
    4,684.69/6,464.91 = 3,688.12/x
  3. Step 3: Cross multiply
    4,684.69x = 6,464.91 × 3,688.12
  4. Step 4: Simplify right side
    4,684.69x = 23,843,363.87
  5. Step 5: Solve for x
    x = 23,843,363.87/4,684.69
  6. Step 6: Final answer
    x = 5,089.64

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Half scale
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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.