Home / 4,120.91-5,685.50-2,352.17

Finding the Fourth Proportional to 4,120.91, 5,685.50 and 2,352.17

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Solution

The fourth proportional to 4,120.91, 5,685.50 and 2,352.17 is: 3,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.91 : 5,685.50 = 2,352.17 : x
  2. Step 2: Convert to fraction form
    4,120.91/5,685.50 = 2,352.17/x
  3. Step 3: Cross multiply
    4,120.91x = 5,685.50 × 2,352.17
  4. Step 4: Simplify right side
    4,120.91x = 13,373,239.99
  5. Step 5: Solve for x
    x = 13,373,239.99/4,120.91
  6. Step 6: Final answer
    x = 3,245.22

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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.