Home / 2,251.16-3,376.72-1,789.12

Finding the Fourth Proportional to 2,251.16, 3,376.72 and 1,789.12

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Solution

The fourth proportional to 2,251.16, 3,376.72 and 1,789.12 is: 2,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.16 : 3,376.72 = 1,789.12 : x
  2. Step 2: Convert to fraction form
    2,251.16/3,376.72 = 1,789.12/x
  3. Step 3: Cross multiply
    2,251.16x = 3,376.72 × 1,789.12
  4. Step 4: Simplify right side
    2,251.16x = 6,041,357.29
  5. Step 5: Solve for x
    x = 6,041,357.29/2,251.16
  6. Step 6: Final answer
    x = 2,683.66

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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.