Home / 3,876.51-5,351.57-2,624.19

Finding the Fourth Proportional to 3,876.51, 5,351.57 and 2,624.19

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Solution

The fourth proportional to 3,876.51, 5,351.57 and 2,624.19 is: 3,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.51 : 5,351.57 = 2,624.19 : x
  2. Step 2: Convert to fraction form
    3,876.51/5,351.57 = 2,624.19/x
  3. Step 3: Cross multiply
    3,876.51x = 5,351.57 × 2,624.19
  4. Step 4: Simplify right side
    3,876.51x = 14,043,536.48
  5. Step 5: Solve for x
    x = 14,043,536.48/3,876.51
  6. Step 6: Final answer
    x = 3,622.73

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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.