Home / 2,281.22-3,425.68-2,164.32

Finding the Fourth Proportional to 2,281.22, 3,425.68 and 2,164.32

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Solution

The fourth proportional to 2,281.22, 3,425.68 and 2,164.32 is: 3,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.22 : 3,425.68 = 2,164.32 : x
  2. Step 2: Convert to fraction form
    2,281.22/3,425.68 = 2,164.32/x
  3. Step 3: Cross multiply
    2,281.22x = 3,425.68 × 2,164.32
  4. Step 4: Simplify right side
    2,281.22x = 7,414,267.74
  5. Step 5: Solve for x
    x = 7,414,267.74/2,281.22
  6. Step 6: Final answer
    x = 3,250.13

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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.