Home / 4,120.03-5,685.64-2,351.68

Finding the Fourth Proportional to 4,120.03, 5,685.64 and 2,351.68

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Solution

The fourth proportional to 4,120.03, 5,685.64 and 2,351.68 is: 3,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.03 : 5,685.64 = 2,351.68 : x
  2. Step 2: Convert to fraction form
    4,120.03/5,685.64 = 2,351.68/x
  3. Step 3: Cross multiply
    4,120.03x = 5,685.64 × 2,351.68
  4. Step 4: Simplify right side
    4,120.03x = 13,370,830.99
  5. Step 5: Solve for x
    x = 13,370,830.99/4,120.03
  6. Step 6: Final answer
    x = 3,245.32

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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.