Home / 4,480.92-6,185.08-2,689.72

Finding the Fourth Proportional to 4,480.92, 6,185.08 and 2,689.72

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Solution

The fourth proportional to 4,480.92, 6,185.08 and 2,689.72 is: 3,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.92 : 6,185.08 = 2,689.72 : x
  2. Step 2: Convert to fraction form
    4,480.92/6,185.08 = 2,689.72/x
  3. Step 3: Cross multiply
    4,480.92x = 6,185.08 × 2,689.72
  4. Step 4: Simplify right side
    4,480.92x = 16,636,133.38
  5. Step 5: Solve for x
    x = 16,636,133.38/4,480.92
  6. Step 6: Final answer
    x = 3,712.66

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Half scale
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Double 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.