Home / 2,262.35-3,122.13-1,267.58

Finding the Fourth Proportional to 2,262.35, 3,122.13 and 1,267.58

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Solution

The fourth proportional to 2,262.35, 3,122.13 and 1,267.58 is: 1,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.35 : 3,122.13 = 1,267.58 : x
  2. Step 2: Convert to fraction form
    2,262.35/3,122.13 = 1,267.58/x
  3. Step 3: Cross multiply
    2,262.35x = 3,122.13 × 1,267.58
  4. Step 4: Simplify right side
    2,262.35x = 3,957,533.93
  5. Step 5: Solve for x
    x = 3,957,533.93/2,262.35
  6. Step 6: Final answer
    x = 1,749.31

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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.