Home / 2,325.44-3,209.25-1,538.12

Finding the Fourth Proportional to 2,325.44, 3,209.25 and 1,538.12

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Solution

The fourth proportional to 2,325.44, 3,209.25 and 1,538.12 is: 2,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.44 : 3,209.25 = 1,538.12 : x
  2. Step 2: Convert to fraction form
    2,325.44/3,209.25 = 1,538.12/x
  3. Step 3: Cross multiply
    2,325.44x = 3,209.25 × 1,538.12
  4. Step 4: Simplify right side
    2,325.44x = 4,936,211.61
  5. Step 5: Solve for x
    x = 4,936,211.61/2,325.44
  6. Step 6: Final answer
    x = 2,122.70

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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.