Home / 4,827.92-6,662.80-2,839.12

Finding the Fourth Proportional to 4,827.92, 6,662.80 and 2,839.12

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Solution

The fourth proportional to 4,827.92, 6,662.80 and 2,839.12 is: 3,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.92 : 6,662.80 = 2,839.12 : x
  2. Step 2: Convert to fraction form
    4,827.92/6,662.80 = 2,839.12/x
  3. Step 3: Cross multiply
    4,827.92x = 6,662.80 × 2,839.12
  4. Step 4: Simplify right side
    4,827.92x = 18,916,488.74
  5. Step 5: Solve for x
    x = 18,916,488.74/4,827.92
  6. Step 6: Final answer
    x = 3,918.14

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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.