Home / 3,135.22-4,322.62-2,240.03

Finding the Fourth Proportional to 3,135.22, 4,322.62 and 2,240.03

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Solution

The fourth proportional to 3,135.22, 4,322.62 and 2,240.03 is: 3,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.22 : 4,322.62 = 2,240.03 : x
  2. Step 2: Convert to fraction form
    3,135.22/4,322.62 = 2,240.03/x
  3. Step 3: Cross multiply
    3,135.22x = 4,322.62 × 2,240.03
  4. Step 4: Simplify right side
    3,135.22x = 9,682,798.48
  5. Step 5: Solve for x
    x = 9,682,798.48/3,135.22
  6. Step 6: Final answer
    x = 3,088.40

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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.