Home / 4,139.37-5,712.35-2,250.97

Finding the Fourth Proportional to 4,139.37, 5,712.35 and 2,250.97

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Solution

The fourth proportional to 4,139.37, 5,712.35 and 2,250.97 is: 3,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.37 : 5,712.35 = 2,250.97 : x
  2. Step 2: Convert to fraction form
    4,139.37/5,712.35 = 2,250.97/x
  3. Step 3: Cross multiply
    4,139.37x = 5,712.35 × 2,250.97
  4. Step 4: Simplify right side
    4,139.37x = 12,858,319.83
  5. Step 5: Solve for x
    x = 12,858,319.83/4,139.37
  6. Step 6: Final answer
    x = 3,106.35

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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.