Home / 3,167.52-4,370.56-2,226.20

Finding the Fourth Proportional to 3,167.52, 4,370.56 and 2,226.20

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Solution

The fourth proportional to 3,167.52, 4,370.56 and 2,226.20 is: 3,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.52 : 4,370.56 = 2,226.20 : x
  2. Step 2: Convert to fraction form
    3,167.52/4,370.56 = 2,226.20/x
  3. Step 3: Cross multiply
    3,167.52x = 4,370.56 × 2,226.20
  4. Step 4: Simplify right side
    3,167.52x = 9,729,740.67
  5. Step 5: Solve for x
    x = 9,729,740.67/3,167.52
  6. Step 6: Final answer
    x = 3,071.72

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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.