Home / 2,315.35-3,195.26-1,267.41

Finding the Fourth Proportional to 2,315.35, 3,195.26 and 1,267.41

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Solution

The fourth proportional to 2,315.35, 3,195.26 and 1,267.41 is: 1,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.35 : 3,195.26 = 1,267.41 : x
  2. Step 2: Convert to fraction form
    2,315.35/3,195.26 = 1,267.41/x
  3. Step 3: Cross multiply
    2,315.35x = 3,195.26 × 1,267.41
  4. Step 4: Simplify right side
    2,315.35x = 4,049,722.00
  5. Step 5: Solve for x
    x = 4,049,722.00/2,315.35
  6. Step 6: Final answer
    x = 1,749.07

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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.