Home / 4,910.12-6,772.92-3,047.12

Finding the Fourth Proportional to 4,910.12, 6,772.92 and 3,047.12

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Solution

The fourth proportional to 4,910.12, 6,772.92 and 3,047.12 is: 4,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.12 : 6,772.92 = 3,047.12 : x
  2. Step 2: Convert to fraction form
    4,910.12/6,772.92 = 3,047.12/x
  3. Step 3: Cross multiply
    4,910.12x = 6,772.92 × 3,047.12
  4. Step 4: Simplify right side
    4,910.12x = 20,637,899.99
  5. Step 5: Solve for x
    x = 20,637,899.99/4,910.12
  6. Step 6: Final answer
    x = 4,203.14

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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.