Home / 3,742.20-5,161.32-2,416.23

Finding the Fourth Proportional to 3,742.20, 5,161.32 and 2,416.23

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Solution

The fourth proportional to 3,742.20, 5,161.32 and 2,416.23 is: 3,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.20 : 5,161.32 = 2,416.23 : x
  2. Step 2: Convert to fraction form
    3,742.20/5,161.32 = 2,416.23/x
  3. Step 3: Cross multiply
    3,742.20x = 5,161.32 × 2,416.23
  4. Step 4: Simplify right side
    3,742.20x = 12,470,936.22
  5. Step 5: Solve for x
    x = 12,470,936.22/3,742.20
  6. Step 6: Final answer
    x = 3,332.51

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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.