Home / 4,696.70-6,480.38-2,807.96

Finding the Fourth Proportional to 4,696.70, 6,480.38 and 2,807.96

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Solution

The fourth proportional to 4,696.70, 6,480.38 and 2,807.96 is: 3,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,696.70 : 6,480.38 = 2,807.96 : x
  2. Step 2: Convert to fraction form
    4,696.70/6,480.38 = 2,807.96/x
  3. Step 3: Cross multiply
    4,696.70x = 6,480.38 × 2,807.96
  4. Step 4: Simplify right side
    4,696.70x = 18,196,647.82
  5. Step 5: Solve for x
    x = 18,196,647.82/4,696.70
  6. Step 6: Final answer
    x = 3,874.35

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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.