Home / 4,139.51-5,712.32-2,250.99

Finding the Fourth Proportional to 4,139.51, 5,712.32 and 2,250.99

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Solution

The fourth proportional to 4,139.51, 5,712.32 and 2,250.99 is: 3,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.51 : 5,712.32 = 2,250.99 : x
  2. Step 2: Convert to fraction form
    4,139.51/5,712.32 = 2,250.99/x
  3. Step 3: Cross multiply
    4,139.51x = 5,712.32 × 2,250.99
  4. Step 4: Simplify right side
    4,139.51x = 12,858,380.82
  5. Step 5: Solve for x
    x = 12,858,380.82/4,139.51
  6. Step 6: Final answer
    x = 3,106.26

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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.