Home / 4,656.46-6,991.52-2,908.91

Finding the Fourth Proportional to 4,656.46, 6,991.52 and 2,908.91

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Solution

The fourth proportional to 4,656.46, 6,991.52 and 2,908.91 is: 4,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656.46 : 6,991.52 = 2,908.91 : x
  2. Step 2: Convert to fraction form
    4,656.46/6,991.52 = 2,908.91/x
  3. Step 3: Cross multiply
    4,656.46x = 6,991.52 × 2,908.91
  4. Step 4: Simplify right side
    4,656.46x = 20,337,660.21
  5. Step 5: Solve for x
    x = 20,337,660.21/4,656.46
  6. Step 6: Final answer
    x = 4,367.63

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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.