Home / 2,246.25-3,099.75-1,251.51

Finding the Fourth Proportional to 2,246.25, 3,099.75 and 1,251.51

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Solution

The fourth proportional to 2,246.25, 3,099.75 and 1,251.51 is: 1,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.25 : 3,099.75 = 1,251.51 : x
  2. Step 2: Convert to fraction form
    2,246.25/3,099.75 = 1,251.51/x
  3. Step 3: Cross multiply
    2,246.25x = 3,099.75 × 1,251.51
  4. Step 4: Simplify right side
    2,246.25x = 3,879,368.12
  5. Step 5: Solve for x
    x = 3,879,368.12/2,246.25
  6. Step 6: Final answer
    x = 1,727.04

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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.