Home / 2,225.21-3,331.60-1,675.69

Finding the Fourth Proportional to 2,225.21, 3,331.60 and 1,675.69

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Solution

The fourth proportional to 2,225.21, 3,331.60 and 1,675.69 is: 2,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.21 : 3,331.60 = 1,675.69 : x
  2. Step 2: Convert to fraction form
    2,225.21/3,331.60 = 1,675.69/x
  3. Step 3: Cross multiply
    2,225.21x = 3,331.60 × 1,675.69
  4. Step 4: Simplify right side
    2,225.21x = 5,582,716.29
  5. Step 5: Solve for x
    x = 5,582,716.29/2,225.21
  6. Step 6: Final answer
    x = 2,508.85

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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.