Home / 4,087.41-6,139.23-3,502.20

Finding the Fourth Proportional to 4,087.41, 6,139.23 and 3,502.20

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Solution

The fourth proportional to 4,087.41, 6,139.23 and 3,502.20 is: 5,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.41 : 6,139.23 = 3,502.20 : x
  2. Step 2: Convert to fraction form
    4,087.41/6,139.23 = 3,502.20/x
  3. Step 3: Cross multiply
    4,087.41x = 6,139.23 × 3,502.20
  4. Step 4: Simplify right side
    4,087.41x = 21,500,811.31
  5. Step 5: Solve for x
    x = 21,500,811.31/4,087.41
  6. Step 6: Final answer
    x = 5,260.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.