Home / 4,707.72-7,064.91-1,936.92

Finding the Fourth Proportional to 4,707.72, 7,064.91 and 1,936.92

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Solution

The fourth proportional to 4,707.72, 7,064.91 and 1,936.92 is: 2,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.72 : 7,064.91 = 1,936.92 : x
  2. Step 2: Convert to fraction form
    4,707.72/7,064.91 = 1,936.92/x
  3. Step 3: Cross multiply
    4,707.72x = 7,064.91 × 1,936.92
  4. Step 4: Simplify right side
    4,707.72x = 13,684,165.48
  5. Step 5: Solve for x
    x = 13,684,165.48/4,707.72
  6. Step 6: Final answer
    x = 2,906.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.